Development History-Shanghai ChipNorth Electronic Technology Co., Ltd.

Chip Series

Solution

Power Management Devices

LDO: CN8501MXXX

LDO

Chip Features

Ultra-low quiescent current: 0.7μA
Shutdown current: 0.01μA
Input range: 2.8V-18V
Output voltage: 1.8V, 2.5V, 2.8V, 3.0V, 3.3V, 3.6V, 4.0V, 5.0V
High accuracy: ±1%
Maximum output current: 500mA
Enable control
Output discharge
Output short circuit protection
Overheat protection

CN84AXXX

LDO

Chip Features

Operating voltage (range): 1.9~12V
Quiescent current: 2.5μA
Output current: 1A
Output voltage accuracy deviation: ±2%
Output voltage: 1.8/2.8/3.0/3.3/3.6/4.0/5.0V
With output short circuit protection function and overheat protection function

CN84LXXX

LDO

Chip Features

Working voltage (range): 1.9~12V
Quiescent current: 2.5μA
Output current: 0.3A
Output voltage accuracy deviation: ±2%
Output voltage: 1.8/2.8/3.0/3.3/3.6/4.0/5.0V
With output short circuit protection and overheat protection

CN84MXXX

LDO

Chip Features

Operating voltage (range): 1.9~12V
Quiescent current: 2.5μA
Output current: 0.5A
Output voltage accuracy deviation: ±2%
Output voltage: 1.8/2.8/3.0/3.3/3.6/4.0/5.0V
With output short circuit protection function and overheat protection function

CN84SXXX

LDO

Chip Features

Working voltage (range): 1.9~12V
Quiescent current: 2.5μA
Output current: 0.15A
Output voltage accuracy deviation: ±2%
Output voltage: 1.8/2.8/3.0/3.3/3.6/4.0/5.0V
With output short circuit protection and overheat protection

CN85LXXX

LDO

Chip Features

Operating voltage (range): 1.9~20V
Quiescent current: 2.5μA
Output current: 0.3A
Output voltage accuracy deviation: ±2%
Output voltage: 1.8/2.8/3.0/3.3/3.6/4.0/5.0V/5.6V
With output short circuit protection function and overheat protection function

CN86LXXX

LDO

Chip Features

Operating voltage (range): 2.9~30V
Quiescent current: 1.2μA
Output current: 0.3A
Output voltage accuracy deviation: ±2%
Output voltage: 2.8/3.0/3.3/3.6/4.0/5.0/5.6/12.0V
With output short circuit protection function, overheat protection function, built-in output current limiting circuit, adjustable current limit value, maximum 500mA

CN86MXXX

LDO

Chip Features

Operating voltage (range): 2.9~30V
Quiescent current: 1.2μA
Output current: 0.5A
Output voltage accuracy deviation: ±2%
Output voltage: 2.8/3.0/3.3/3.6/4.0/5.0/5.6/12.0V
With output short circuit protection function and overheat protection function

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

Operating voltage (range): 1.5~6V
Quiescent current: 0.6μA
Output current: 0.5A
Output voltage accuracy deviation: ±2%
Output voltage: 1.2/1.8/2.5/2.8/3.0/3.3/3.6/4.0/5.0V
With output short circuit protection function and overheat protection function

PSR ACDC: CN1609

PSR ACDC

Chip Features

Wide input AC range: 90Vac~265Vac
Output power: 3~5W
Operating frequency up to 70kHz
Excellent system ESD performance
Adjustable output linearity compensation (3%~8%)
Adjustable input linearity compensation
High efficiency quasi-resonant working mode
Built-in short circuit protection and output overvoltage protection
Built-in over-temperature protection

CN1611

PSR ACDC

Chip Features

CV/CC regulation error ±5%
No optocoupler and all secondary CV/CC control circuits required
Quasi-resonant operation mode
Built-in line compensation for more accurate CC regulation
Built-in leading edge blanking (LEB)
Cycle-by-cycle current limit
VCC undervoltage lockout (UVLO) with hysteresis
Built-in short circuit protection and output overvoltage protection
Built-in overtemperature protection
Output power up to 15W

CN1810 (External MOS)

PSR ACDC

Chip Features

CV/CC regulation error ±5%
No optocoupler and all secondary CV/CC control circuits required
Quasi-resonant operation mode
Built-in line compensation for more accurate CC regulation
Built-in leading edge blanking (LEB)
Cycle-by-cycle current limit
VCC undervoltage lockout (UVLO) with hysteresis
Built-in short circuit protection and output overvoltage protection
Built-in overtemperature protection
Output power up to 30W

CN1811

PSR ACDC

Chip Features

CV/CC regulation error ±5%
No optocoupler and all secondary CV/CC control circuits required
Quasi-resonant operation mode
Built-in line compensation for more accurate CC regulation
Built-in leading edge blanking (LEB)
Cycle-by-cycle current limit
VCC undervoltage lockout (UVLO) with hysteresis
Built-in short circuit protection and output overvoltage protection
Built-in overtemperature protection
Output power up to 30W

SSR ACDC: CN1101

SSR ACDC

Chip Features

Built-in 900V power MOSFET
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)

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: CN2901

Non-isolated DCDC

Chip Features

Efficiency up to 95%
200mV±3% feedback reference voltage
1MHz fixed operating frequency
Maximum output voltage is 22V
Power-saving PFM mode at light loads
Soft start limits output overshoot and inrush current
3.5A cycle-by-cycle current limit protection
OVP protection
Thermal shutdown

Isolation DCDC: CN35K180

Isolation DCDC

Chip Features

Maximum output power: 3W
Wide voltage input range: 4~24V
Controllable switching frequency range: 200kHz~2MHz
Adjustable duty cycle: maximum 50%
Overheat protection, overcurrent protection

PMU: CN8911B

PMU

Chip Features

4 in 1 PMU, 2-Bucks, 1-Boost, 1-SuperCap Charger
1-Channel Fixed-3.3V/500mA Output HV Buck
1-Channel Adjustable Output HV Buck
1-Channel 12V/300mA Output Boost at 2.5V Input
Linear Charger for Super Capacitor with 60mA Current
High Efficiency Pulse Skip Mode at Light Load
Power Down Detection and Index
Auto-alternated Boost Mode and Charger Mode
Hic-cup Mode OCP protections
Thermal Shutdown

Signal detection and protection devices

Leakage detection chip

Zero Crossing Detection Chip: CN71102

Zero Crossing Detection Chip

Chip Features

Low power consumption,Working current<10uA
High detection accuracy
Effectively filter out power line noise
Integrated rectifier diode
Integrated voltage regulator diode
Fewer peripheral devices

Control drive device

Relay/Motor Driver: CN8001

Motor drive

Chip Features

Wide power range: 2.7V to 6V
0.8A maximum continuous output
Peak current capability above 3A
Low MOSFET on-resistance: Rhs = 0.3Ω, Rls = 0.15Ω
Forward, reverse, coasting or braking output modes
Suitable for a wide range of MCU control logics
Input logic hysteresis
Thermal shutdown

CN8001A

Motor drive

Chip Features

Wide power range:2Vto6V
0.8A Maximum continuous output
Higher than 2A peak current capability
overcurrent protection point2.5A
<span Low MOSFET on-resistance: Rhs =0.3Ω, Rls style=";font-size:16px;font-family:Arial;color:rgb(0,0,0)">=0.15Ω
Forward, reverse, inertia or brake output mode
Applicable to a wide range of MCU Control logic
Input logic hysteresis
Input logic hysteresis
Thermal shutdown and overcurrent protection

CN8001B

Motor drive

Chip Features

CN8001B is a H bridge motor driver for driving reversible motors, which can drive a DC motor and a The windings of stepper motors or other loads.
Wide power range: 2.7V to 6V
0.8A Maximum continuous output
Higher than 3A peak current capability
lowMOSFETon-resistance:Rhs =0.3Ω,Rls =0.15Ω
Forward, reverse, inertia or braking output mode
Applicable to a wide range ofMCUcontrol logic
Input Logic Hysteresis
Thermal Shutdown

CN8031

Motor drive

Chip Features

0.8A maximum continuous output
Higher3A peak current capability
LowMOSFET on-resistance: Rhs = 0.6Ω, Rls = 0.3Ω
Forward, reverse, inertia or brake output modes
Applicable to a wide range ofMCU control logic
Input logic hysteresis
Thermal shutdown

CN8033

Motor drive

Chip Features

Wide power range:4Vto24V
1.5A Maximum continuous output
Higher than 3.0A peak current capability
low MOSFET On-resistance:Rhs =0.4Ω，Rls =0.2Ω
Forward, reverse, inertia or brake output mode
Applicable to a wide range ofMCUcontrol logic
Input logic hysteresis
Overcurrent, overheating shutdown

CN8033B

Motor drive

Chip Features

Wide power range:4V to 24V
HigherHigher3.0A peak current capability
LowMOSFET on-resistance:
Rhs = 0.4Ω, Rls = 0.2Ω
Forward, reverse, inertia or brake output mode
Applicable to a wide range ofMCU control logic
Input logic hysteresis
Overcurrent, overheating shutdown

CN8021

Relay driver

Chip Features

3.5 – 40V Operating voltage
Recommended maximum operating current:450mA
Operating temperature range-40 ~ +85℃
Compatible with various microcontroller logic input signals
Input signal anti-noise processing
Rebound protection of inductive load current
Over-temperature and over-current protection circuits to improve chip reliability

CN8023

Relay driver

Chip Features

5–36V operating voltage.
Maximum operating current:450mA
Operating temperature range-40 ~ +85℃
Compatible with various single-chip microcomputer logic level signal input signals
Input signal anti-noise processing
Inductive load current kickback protection

Power amplifier devices

Line Driver: CN6212

Line Driver

Chip Features

PIN to PINCompatibleTHS6212
Working voltage:6Vto28V
large signalbandwidth：> 20MHz
Harmonic suppression
Working current external setting, digital control
VoltageSlew rate:500 V/μs
Maximum differential output:2 times the operating voltage font-size: 15px;">-6V@50ΩLoad
TTL / CMOSCompatible
Temperature range-40°C to +85°C

CN6212A

Line Driver

Chip Features

Working voltage:6Vto28V
Large signalBandwidth：> 20MHz
Harmonic suppression
Working current external setting, digital control
VoltageSlew rate:500 V/μs
Maximum differential output:2Twice the operating voltage-6V@50ΩLoad
TTL/CMOS helvetica, sans-serif;">Compatible
Temperature range-40°C to +85°C

Display driver devices

Segment LCD Driver: CN90C4S40

Segment LCD Driver

Chip Features

Fixed1/4duty cycle mode, maximum160dots.
Low power design, the current under typical conditions is 6uA.
Built-in OSC Circuit
Internal LCD Contrast control circuit
Integrated power-on reset circuit
No external components required
Interface:2Line Serial Port
Compatible withTTL / CMOS
HighEMC Immunity

CN90C8S35

Segment LCD Driver

Chip Features

Fixed 1/4 Bias,1/8 Duty 35*8=280Bit, built-in Buffer AMP
Built-in reset and oscillation circuit
Interface:2 Line I2C Serial interface
Built-in EVR Circuit
Low power design
High EMC Immunity

CN91C4S48

Segment LCD Driver

Chip Features

Fixed 1/4 Duty cycle mode, up to 192 points
Low power design, current under typical conditions is 6uA
Built-in OSC Circuit
InternalLCDContrast control circuit
Integrated power-on reset circuit
No external components required
Interfaces:2Line serial port
withTTL / CMOScompatible
High EMC Immunity

CN91C4S96

Segment LCD Driver

Chip Features

Fixed1/4Duty cycle mode, up to192points
Low power design, current under typical conditions is 6uA
Built-in OSC Circuit
InternalLCDContrast control circuit
Integrated power-on reset circuit
No external components required
Interface:2Line serial
withTTL / CMOSCompatible
HighEMCImmunity

Communication devices

HPLC: 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 Model (HBM)
Three-state output
The bus allows up to 256 transceivers to be connected
Strong slew rate limiting helps to achieve error-free data transmission
SOP8 package
Complies with Q/GDW 11179.11-2015 Technical Specifications for Components for Electric Energy Meters

CN485(N)

485

Chip Features

Electrostatic protection (ESD): A/B ±15KV--Human body model (HBM）
The bus allows up to 256 transceivers
Strong slew rate limiting helps achieve error-free data transmission
Three-state output
SOP8 Package
Complies with Q/GDW 11179.11-2015 Technical Specifications for Components for Electric Energy Meters

CN3485W

485

Chip Features

3.3V/5V supply voltage
enhanced slew rate limiting helps reduce output EMIand reflections caused by mismatched terminal connections, achieving 500kbps error-free data transmission
Communication ports provide ±15kVHuman Body ModelESDprotection
Communication ports provide ±15kVHuman Body ModelESDprotection
Roman">Fail-safefunction
With1/8unit load, up to256transceivers can be connected on the same bus
Using Roman">8pinSOpackage

Chip Series

Solutions