RS485(N)

Chip Series

Solution

Power Management Devices

Load Switch

LDO: CN8501MXXX

LDO

Chip Features

Ultra-low Quiescent Current: 0.8μA(VIN=12V)
Shutdown Current: 0.01uA
Input Range: 2.5V-20V
Output Range: 1.8V-5V (0.1V interval)
High Precision: ±2%
Maximum Output Current: 500mA
Enabling Control
Output Discharge
Output Short Circuit Protection
Thermal Shutdown

CN8803LXXX

LDO

Chip Features

Low quiescent current: 5μA
Output voltage range: 2.5V~5.6V (step 0.1V), 12V
High accuracy: ±2%
Dropout voltage: 900mV @VOUT=3.3V / IOUT=150mA
Maximum output current: 150mA
Input voltage range: maximum 36V
Output short circuit protection
Thermal shutdown
Overcurrent protection

CN8701MXXX

LDO

Chip Features

Input Voltage Range：1.4V-5.5V
Output Voltage Range：0.9V-3.3V，step 0.1V
Output current：500mA
Quiescent current：50μA(Typ)
Shutdown current: < 1μA
Dropout voltage: 120mV@I_OUT=300mA，V_OUT=3.3V
PSRR: 78db@1kHz，V_OUT=1.8V
Low Output Voltage Noise: 29.6uV@V_OUT=1.8V
Output voltage accuracy: 1%
Short circuit protection
Thermal shutdown

CN84AXXX

LDO

Chip Features

Ultra-low quiescent current: 2.5μA
High accuracy：±2%
Low dropout voltage：50mV @ I_OUT = 100mA @ V_OUT =3.3V
Maximum output current：1A
Input Voltage Range：Max 12V
Enabling Control
Output short circuit protection
Thermal shutdown

CN84MXXX

LDO

Chip Features

Ultra-low quiescent current: 2.5μA
High accuracy：±2%
Low dropout voltage：50mV @ I_OUT = 100mA @ V_OUT =3.3V
Maximum Output Current：500mA
Input Voltage Range：Max 12V
Enabling Control
Output short circuit protection
Thermal shutdown

CN85LXXX

LDO

Chip Features

Ultra-low quiescent current: 2.5μA
High accuracy：±2%
Low dropout voltage：80mV @ I_OUT = 100mA, V_OUT =5V
Maximum output current：300mA
Input voltage range：Max 20V
Enabling control
Output short circuit protection
Thermal shutdown

CN86LXXX

LDO

Chip Features

Ultra-low quiescent current: 1.2μA
High accurate：±2%
Low dropout voltage：200mV@I_OUT=100mA, V_OUT =5V
Maximum output current：300mA
Input Voltage Range：Max 36V
Output short circuit protection
Thermal shutdown

CN87LXXX

LDO

Chip Features

Operating voltage (range): 1.5~6V
Quiescent current: 0.6μA
Output current: 0.3A
Output voltage accuracy deviation: ±2%
Output voltage: 1.8/2.8/3.0/3.3/3.6V
With output short circuit protection and overheat protection

CN87MXXX

LDO

Chip Features

Ultra-low quiescent current：600nA
Standby current：≤10nA
High precision：±2%
Low dropout voltage：60mV @ IOUT = 100mA @ VOUT = 3.3V
Maximum output current：500mA
Input voltage range：Max 6.0V
Enable control
Foldback current limit protection

CN88LXXX

LDO

Chip Features

Low static current: 6μA
High accuracy: ±2%
Differential pressure：500mV @ I_OUT = 100mA @ V_OUT =5V
Maximum output current: 150mA
Input voltage range: Max. 35V
Output short circuit protection
Internal Thermal Overload Protection
Internal Short-Circuit Limiting
Recommend Capacitor: 1μF~10μF

PSR ACDC: CN1812

PSR ACDC

Chip Features

CV/CC adjustment error ±%5
No need for optocoupler and 431
Built-in line compensation for more accurate CC adjustment
Built-in Leading Edge Blanking (LEB)
Cycle-by-cycle current limit
Output short circuit protection
Output overcurrent protection
OTP protection
VCC undervoltage and overvoltage protection
Maximum power 12W
Meets Grade 6 energy efficiency standards
Standby power consumption less than 75mW

CN1609

PSR ACDC

Chip Features

Wide input AC range: 90Vac~265Vac
Output power: 3~5W
Up to 70KHz operating frequency
Excellent system ESD performance
Adjustable cable compensation(3%~8%)
Adjustable line compensation
High Efficiency Quasi Resonance Mode
Over temperature protection
Output over-voltage protection
Output short circuit protection

CN1611

PSR ACDC

Chip Features

CV/CC adjustment error ±5%
Control circuits without optical coupling and all secondary CV/CC component
Quasi resonant working mode
Built-in line compensation for more precise CC regulation
Lead Edge Blanking (LEB)
Periodic Current Limit
VCC undervoltage locking (UVLO) with hysteresis
Built-in short circuit protection and output overvoltage protection
Built-in over-temperature protection
Output power up to 15W

CN1810 (External MOS)

PSR ACDC

Chip Features

CV/CC adjustment error ±5%
Control circuits without optical coupling and all secondary CV/CC component
Quasi resonant working mode
Built-in line compensation for more precise CC regulation
Lead Edge Blanking (LEB)
Periodic Current Limit
VCC undervoltage locking (UVLO) with hysteresis
Built-in short circuit protection and output overvoltage protection
Built-in over-temperature protection
Output power up to 30 W

CN1811

PSR ACDC

Chip Features

CV/CC adjustment error ±5%
Control circuits without optical coupling and all secondary CV/CC component
Quasi resonant working mode
Built-in line compensation for more precise CC regulation
Lead Edge Blanking (LEB)
Periodic Current Limit
VCC undervoltage locking (UVLO) with hysteresis
Built-in short circuit protection and output overvoltage protection
Built-in over-temperature protection
Output power up to 30W

SSR ACDC: CN1303

SSR ACDC

Chip Features

CN1104

SSR ACDC

Chip Features

CN12039

SSR ACDC

Chip Features

Built-in 1200V MOSFET
Built-in high-voltage starting circuit
Built-in line voltage compensation and slope compensation
Integrated frequency expansion technology
Frequency tripling function to improve magnetic interference (Available in CN12039B/D)
Integrated input undervoltage protection (Available in CN12039C/D)
PWM/PFM/Burst hybrid control mode
No-load power consumption <50mW @230 VAC
Complete protection functions (OCP, OLP,UVLO, VDD OVP, OTP)

CN1103

SSR ACDC

Chip Features

CN1102

SSR ACDC

Chip Features

Built-in 1000V MOSFET
Built-in high-voltage starting circuit
Built-in line voltage compensation and slope compensation
Integrated frequency expansion technology
Frequency tripling function to improve magnetic interference (Available in CN1102AD/F)
Integrated input undervoltage protection (Available in CN1102AE/F)
Integrated short-circuit protection for the primary main winding of the transformer
PWM/PFM/Burst hybrid control mode
No-load power consumption <50mW @230 VAC
Complete protection functions (OCP, OLP, UVLO, VDD OVP, OTP)

CN11015

SSR ACDC

Chip Features

CN1001

SSR ACDC

Chip Features

Built-in high-voltage startup circuit
Built-in line voltage compensation and slope compensation
Integrated frequency extension technology
PWM/PFM/PSM hybrid control mode
No-load power consumption<50mW@230VAC
Complete protection functions (OCP, OLP, UVLO, VDD OVP, OTP)

Non-isolated DCDC: CN2204

Non-isolated DCDC

Chip Features

5.5V to 38V Wide Input Operating Range
High Efficiency Up to 96%
50μA Low Quiescent Current
800mV ±2% Feedback Reference Voltage
600kHz Fixed Operation Frequency
Power Save mode at light load
Capable of output 1A continuous current
Cycle-by Cycle Current Limit
Hic-cup Mode overload and output short protections
1.7ms Soft-Start Time
Thermal Shutdown

CN2213

Non-isolated DCDC

Chip Features

5.5 ~ 24V Wide Input Operating Range
30V input overvoltage protection
Capable of output 0.8A continuous current
High Efficiency Up to 93%
7μA Low Quiescent Current
5V ±2% fixed output voltage
600kHz Fixed Operation Frequency
Light load PFM energy saving mode
Frequency foldback function for 99% maximum duty cycle
Internal slope compensation to simplify external compensation circuitry
Cycle-by-cycle peak and valley current limits for more reliable overcurrent protection，
Hic-cup Mode overload and output short protections
1ms internal soft-start to limit input inrush current
Thermal Shutdown

CN2203

Non-isolated DCDC

Chip Features

3.8 V - 24 V wide input voltage range
30 V input overvoltage protection
0.8 A continuous output current
93% efficiency
Low quiescent current of 15 μA
800 mV ±2% feedback reference voltage
600 kHz fixed switching frequency
Light load PFM energy saving mode
Frequency foldback function for 99% maximum duty cycle
Internal ramp compensation to simplify external compensation circuitry
Cycle-by-cycle peak and valley current limiting,more reliable overcurrent protection
Hiccup mode overcurrent protection and short circuit protection
FB short-circuit protection, which can effectively protect the back-end circuits
1 ms internal soft start to limit input inrush current
Thermal shutdown

CN2202

Non-isolated DCDC

Chip Features

4.5V to 18V Wide Input Operating Range
19V Input Over Voltage Protection
Capable of Delivering 2A
Efficiency up to 92%
No load Iq 100uA
600mV ±2% Feedback reference voltage
800kHz fixed frequency
Adaptive COT Control
High Efficiency PFM mode at light load
Hiccup mode over current protection and short circuit protection
Cycle-by-cycle peak and valley current limiting
1ms internal soft start
Thermal Shutdown and UVLO

CN2902

Non-isolated DCDC

Chip Features

2.4V to 6V Wide Input Operating Range
0.17mA Low Quiescent Current
0.05uA Shutdown Current
Maximum Output Voltage 24V
Maximum Output Current 3.5A
High Efficiency Up to 90%
Built-in power MOS, no external rectifier required
600mV ±3% Feedback Reference Voltage
1MHz Fixed Operation Frequency
PFM mode at light load
0.6ms soft start to limit output voltage overshoot at startup
Output Overvoltage Protection
Cycle-by Cycle Current Limit
Thermal Shutdown

CN2501

Non-isolated DCDC

Chip Features

2.6V to 6.0V operating input range
Up to 1.4A output current
Up to 97% peak efficiency
Internal soft-start
1.5MHz switching frequency
Input under voltage lockout
Input over voltage protection
Short circuit protection
Thermal protection
Available in SOT23-5

CN2901

Non-isolated DCDC

Chip Features

Up to 95% Efficiency
200mV ±3% Feedback Reference Voltage
1MHz Fixed Operation Frequency
Maximum 25V output
Power Save PFM Mode at Light Load
Soft-start Limits Output Overshoot and Inrush Current
3.5A Cycle by Cycle Current Limit Protection
OVP Protection
Thermal Shutdown

Isolation DCDC: CN3501

Isolation DCDC

Chip Features

Push-pull topology
Highly integrated, simple peripheral
Built-in 24V/0.3Ω LDMOS
0.8A current clamp limiting, low short-circuit power consumption while improving capacitive load capability.
2.8-9V input voltage range
External enable control for low standby power consumption and sleep function
Adjustable switching frequency: 200K-1.8M with optional small transformer size.
Continuous short-circuit protection, over-temperature protection, under-voltage protection, self-recovery
Ambient temperature： -40°C ~ +105°C

CN35K180

Isolation DCDC

Chip Features

Highly integrated, simple periphery
Maximum output power: 3W
4-24V Input Voltage Range
Adjustable switching frequency: 200KHz-2MHz, suitable for small transformer size
Adjustable duty cycle: 50% maximum
Over temperature protection and over current protection

PMU: CN8914

PMU

Chip Features

3-Channel PMU: Buck, Boost, Super Capacitor Charger
Buck Wide Input from 5V to 38V with 42V Standoff
Fixed Output Buck: 3.3V/800mA
Fixed Output Boost: 12V/450mA at 2.5V Input
Linear Charger for Super Capacitor with 60mA CC Current
Up to 91% efficiency
Enable pin to set Power Down Threshold
External signal controls the charger to enable
Hic-cup Mode OCP protections
Thermal Shutdown

CN8913

PMU

Chip Features

3-Channel PMU: Buck, Boost, Super Capacitor Charger
Buck Wide Input from 5V to 38V with 42V Standoff
3.3V/800mA Output Capability Buck
12V/450mA Output Capability Boost at 2.5V Input
Fixed Buck Output Voltage and Adjustable Boost Output Voltage
Linear Charger for Super Capacitor with 60mA CC Current
1% Accuracy CV Voltage for Charger
Up to 91% efficiency
Enable pin to set Power Down Threshold
Auto-alternated Boost Mode and Charger Mode
Hic-cup Mode OCP protections
Thermal Shutdown

CN8911B

PMU

Chip Features

In 1 PMU, 2-Bucks, 1-Boost, 1-SuperCap Charger
Fixed output buck converter: 3.3V/500mA
Adjustable output buck converter: 1V-5V
Boost converter: 12V/300mA
Super capacitor charger: 2.5V/60mA
High Efficiency Pulse Skip Mode at Light Load
Power Down Detection and Indication
Auto-alternated Boost Mode and Charger Mode
Hiccup Mode OCP Protections
Thermal Shutdown

Signal detection and protection devices

Leakage detection chip: CN54124

Leakage detection chip

Chip Features

Applied intype A and AC leakage detection
High input sensitivity (4.95mV typical)
Low quiescent current of 190uA
Wide operating voltage range (3V~5.5V)
Wide AC input voltage range: 50V~380V(50/60Hz)
>20ms output pulse width can drive SCR
Consistent leakage detection threshold
Delay time can be adjusted
Excellent EMC protection
Wide operating temperature range (Ta=-40~+105°C)

CN54123

Leakage detection chip

Chip Features

Applied in AC type leakage
High input sensitivity (4.95mV typical)
Low quiescent current of 190uA
Wide operating voltage range (3V~5.5V)
Wide AC input voltage range: 50V~380V(50/60Hz)
>20ms output pulse width can drive SCR
Consistent leakage detection threshold
Delay time can be adjusted
Excellent EMC protection
Wide operating temperature range (Ta=-40~+105°C)

Zero Crossing Detection Chip: CN71102

Zero Crossing Detection Chip

Chip Features

Low power consumption, quiescent current <1uA
High detection accuracy
Effective power line noise filtering
Integrated rectifier diode
Integrated voltage regulator diode
Few peripheral components

Control drive device

Relay/Motor Driver: CN8043

Control drive device

Chip Features

Wide power range: 4.4V to 40V
4.5A overcurrent protection
Low MOSFET on-resistance: Rhs = 0.45Ω, Rls = 0.25Ω
Forward, reverse, coast or brake output modes
Suitable for a wide range of MCU control logic
Input logic hysteresis
Thermal shutdown

CN8041

Control drive device

Chip Features

CN8022

Control drive device

Chip Features

Wide input voltage range: 1.8V to 16V
Low standby current: 0.7uA
Peak current limit protection: 2.6A
Low MOSFET on-resistance: Rhs =0.45Ω, Rls =0.25Ω
Forward, reverse, coast or brake output modes
Applicable to a wide range of MCU control logics
Input logic hysteresis
Thermal shutdown

CN8001

Motor drive

Chip Features

Wide Power Range: 2.7V to 6V
Low MOSFET On Resistance: Rhs=0.3Ω, Rls=0.15Ω
Forward, Reverse, Coast, or Brake Output Modes
Suitable for wide range MCU control logic
Input logic hysteresis
Thermal Shutdown

CN8001A

Motor drive

Chip Features

Wide Power Range: 2.5V to 6V
Peak current limiting protection:2.5A
Low MOSFET On Resistance: Rhs=0.3Ω, Rls=0.15Ω
Forward, Reverse, Coast, or Brake Output Modes
Suitable for wide range MCU control logic
Input logic hysteresis
Thermal Shutdown
OCP: 2.5A

CN8001B

Motor drive

Chip Features

Wide Power Range: 2.7V to 6V
Low MOSFET On Resistance: Rhs=0.3Ω, Rls=0.15Ω
Forward, Reverse, Coast, or Brake Output Modes
Suitable for wide range MCU control logic
Input logic hysteresis
Thermal Shutdown

CN8031

Motor drive

Chip Features

Wide Power Range: 4.5V to 24V
Low MOSFET On Resistance: Rhs=0.3Ω, Rls=0.3Ω
Forward, Reverse, Coast, or Brake Output Modes
Suitable for wide range MCU control logic
Input logic hysteresis
Thermal Shutdown

CN8033

Motor drive

Chip Features

Wide Power Range: 4V to 24V
Peak current limiting protection:3.5A
Low MOSFET On Resistance: Rhs=0.4Ω, Rls=0.2Ω
Forward, Reverse, Coast, or Brake Output Modes
Suitable for wide range MCU control logic
Input logic hysteresis
Thermal Shutdown

CN8033B

Motor drive

Chip Features

Wide Power Range: 4V to 24V
Peak current limiting protection:3.5A
Low MOSFET On Resistance: Rhs=0.4Ω, Rls=0.2Ω
Forward, Reverse, Coast, or Brake Output Modes
Suitable for wide range MCU control logic
Input logic hysteresis
Thermal Shutdown

CN8021

Relay driver

Chip Features

Recommended Supply Voltage Range: 3.5 ~40V
Peak current limiting protection:800mA
Ambient Temperature Range: -40 ~+105°C
Compatible with 3~5V MCU
Input Signal Anti-Noise Processing

Power amplifier devices

Line Driver: CN6222

Line Driver

Chip Features

CN6212

Line Driver

Chip Features

Operating voltage: 6V to 28V
Large signal bandwidth：> 20MHz
3rd harmonic suppression：40dBc @ 10M / 10Vpp / 50Ωload 50dBc @ 5M / 10Vpp / 50Ωload 60dBc @ 2M / 10Vpp / 50Ωload 76dBc @ 500K / 10Vpp / 50Ωload
2nd harmonic suppression：55dBc @ 10M / 10Vpp / 50Ωload 60dBc @ 5M / 10Vpp / 50Ωload 70dBc @ 2M / 10Vpp / 50Ωload 80dBc @ 500K / 10 Vpp /50Ωload
Operating current externally set, digitally controllable
Slew rate：500 V/μs
Maximum differential output：2x operating voltage -6V@50Ωload
TTL / CMOS compatible
Temperature range -40°C to +105°C

Display driver devices

Segment LCD Driver: CN9122C1S96

Segment LCD Driver

Chip Features

Low power consumption design, 6uA current at typical condition.
The LCD driver chip is integrated with buffer amplifiers.
supports both register read and display RAM functions.
incorporates an internal OSC circuit and features a blinking function.
Integrated Power-on Reset Circuit.
No external component required
includes an I2C interface.
Compatible with TTL/CMOS.
High EMC immunity.

CN9103C4S48

Segment LCD Driver

Chip Features

Fixed 1/4 duty mode, Up to 192 dots
Low power consumption design, 6uA current at typical condition
Built-in OSC Circuit
Internal LCD Contrast control Circuit
Integrated Power-on Reset Circuit
No external component required
Interface: 2 line serial l2C
Compatible with TTL/CMOS
High EMC immunity

CN9101C4S32

Segment LCD Driver

Chip Features

Operating voltage: 2.4V~5.5V
Built-in 32kHz RC oscillator
External 32.768kHz crystal or 256kHz frequency source input
Selection of 1/2 or 1/3 bias, and selection of 1/2 or 1/3 or 1/4 duty LCD applications
Internal time base frequency sources
Two selectable buzzer frequencies (2kHz/4kHz)
Built-in time base generator and WDT
Time base or WDT overflow output
8 kinds of time base/WDT clock sources
32×4 LCD driver
Built-in 32×4 bit display RAM
R/W address auto increment
VLCD pin for adjusting LCD operating voltage

CN9004C8S39

Segment LCD Driver

Chip Features

Adjustable 1/8 Duty,1/6 Duty,1/4 Duty.
Maximum 39*8 = 312 Bits, with built-in Buffer AMP
Low power consumption design, 5uA current at typical condition
Internal LCD Contrast control Circuit
No external component required
Interface: 2 wire serial interfaces
Compatible with TTL/CMOS
Integrated reset and oscillator circuits

CN9003C8S35

Segment LCD Driver

Chip Features

Adjustable 1/8 Duty, 1/4 Duty
Maximum 35*8 = 280 Bits, with built-in Buffer AMP
Low power consumption design, 5uA current at typical condition
Internal LCD Contrast control Circuit
No external component required
Interface: 2 wire serial interfaces
Compatible with TTL/CMOS
Integrated reset and oscillator circuits

CN9001C4S36

Segment LCD Driver

Chip Features

Low power consumption design, 6uA current at typical condition
The display mode options include dynamic 1/2and1/3bias voltages, as well as a 1/4duty cycle mode, supporting a maximum of 144 segments.
The LCD driver chip is integrated with buffer amplifiers.
supports both register read and display RAM functions.
incorporates an internal OSC circuit and features a blinking function.
Integrated Power-on Reset Circuit
No external component required
includes an I2C interface
Compatible with TTL/CMOS
High EMC immunity

CN91C4S46

Segment LCD Driver

Chip Features

Fixed 1/4 duty mode, Up to 184 dots
Low power consumption design, 6uA current at typical condition
Built-in OSC Circuit
Internal LCD Contrast control Circuit
Integrated Power-on Reset Circuit
No external component required
Interface: 2 line serial l2C
Compatible with TTL/CMOS
High EMC immunity

CN90C4S40

Segment LCD Driver

Chip Features

Fixed 1/4 duty mode, 1/3bias voltages supporting a maximum of 160 segments
Low power consumption design, 6uA current at typical condition
Incorporates an internal OSC Circuit
Internal LCD Contrast control Circuit
Integrated Power-on Reset Circuit
No external component required
Includes an I2C interface
Compatible with TTL/CMOS
High EMC immunity

CN90C8S35

Segment LCD Driver

Chip Features

Fixed 1/4 Bias, 1/8 Duty.
35*8 = 280 bits, with built-in buffer amplifier.
Low power consumption design, 5uA current at typical condition.
Internal LCD Contrast control Circuit
No external component required
Interface: 2 wire serial interfaces
Compatible with TTL/CMOS
Integrated reset and oscillator circuits.

CN91C4S48

Segment LCD Driver

Chip Features

Fixed 1/4 duty mode, Up to 192 dots
Low power consumption design, 6uA current at typical condition
Built-in OSC Circuit
Internal LCD Contrast control Circuit
Integrated Power-on Reset Circuit
No external component required

Communication devices

HPLC: CN8510/CN8512

HPLC

Chip Features

CN8513/8514

HPLC&HRF dual-mode chip

Chip Features

CPU maximum frequency can reach 200MHz
Frequency dynamic switching, effectively reducing power consumption
Built-in encryption and decryption engine
Support JATG online debugging
Support global maskable interrupts
Built-in 1.5M SRAM
Support SPI, support CPU BOOT from SPI port
Support UART and debugging functions
Support general GPIO function
Support 32-bit counter (timer) function
Ethernet chip PHY, equipped with MDIO and RMII ports
Support DMA function
Equipped with hardware watchdog
One-time write eFuse function
State Grid dual-mode (wired-wireless) communication protocol

485: RS485(N) National Grid Certified Products

485

Chip Features

Electrostatic Protection (ESD): A/B ± 15KV - Human Body Mode (HBM)
Bus allows up to 256 transceivers to be hooked up
Strong swing rate limiting facilitates error-free data transfer
Tristate output
SOP8 package
Comply with Q/GDW 11179.11-2015 Technical Specification for Energy Meter Components

Product Number	Package	Quantity/Tape
RS485	SOP-8	4000/Tape

485-RS485(N) National Grid Certified Products

485

Chip Series

Solutions