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NCV7685: 12 沟道,60 mA LED 线性电流驱动器,可控制 I2C,用于汽车应用

Datasheet: 12 Channels 60 mA LED Linear Current Driver I2C Controllable for Automotive Applications
Rev. 2 (240kB)
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NCV7685 由十二个具有共同参考的线性可编程恒定电流源组成。该零件适用于汽车应用中基于 LED 的后尾组合灯调节和控制。NCV7685 通过 I2C 串行接口对于每个可编程输出沟道单独使用脉宽调制 (PWM),因此可实现 128 级不同的占空比。PWM 频率可以四种不同的配置进行选择,最高为 1200 Hz。该器件可用于使用 I2C 总线的微控制器应用,或独立应用,在此类应用中可选择 2 种不同的静态配置设置。该集成电路还为高达 1 mA 的应用提供 3.3 V 的电压参考。LED 亮度使用外部电阻进行轻松编程。每个沟道都有一个内部电路来检测开路负载情况,且具有可选的自动恢复模式。如果一个驱动器为开路负载情况,所有其他沟道则可能根据可编程位设置进行关断。该器件采用小体型 SSOP24−EP 封装。
特性
 
  • 12 Common Current Programmable Sources up to 60 mA
  • Independent PWM Duty Cycle Control for each Channel via PC
  • Common PWM Duty Cycle Control via I2C
  • On−Chip 150, 300, 600 and 1200 Hz PWM
  • Open LED String Diagnostics
  • Low Dropout Operation for Pre−Regulator Applications
  • Single Resistor for Current Set Point
  • Voltage Reference 3.3 V/1 mA
  • 8 Bits I2C Interface with CRC8 Error Detection
  • OTP Bank for Stand−Alone Operation (2 Configurations)
  • Output Enable Pin
  • Detection and Protection Against Open Load and Under−Voltage
  • Over Temperature Detection and Protection
  • Low Emission with Spread Spectrum Oscillator
  • NCV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q100 Qualified and PPAP Capable
  • SSOP24−EP Packaging
应用   终端产品
  • Entry Level LED Tail Lights. NCV7685 used without MCU
  • Option Level LED Tail Lights with Sequential Turn Indicator. NCV7685 controlled by Low End MCU
  • High End Pixelized LED Tail Light with Full Animation Capabilities
  • Turn Signal and Other Externally Modulated Applications
  • RGB LED driver (4 x RGB per NCV7685)
  • Dashboard Applications
 
  • Exterior Lighting (Low Power)
  • Interior Lighting
评估/开发工具信息
产品 状况 Compliance 简短说明 行动
NCV7685I2CV1GEVB Active
Pb-free
Twelve Channels LED Linear Current Driver with I2C Interface
SECO-NCV7685RGB-GEVB Active
Pb-free
RGB LIGHTING EVB
STR-NCV7685-AUTO-LED-GEVB Active
Pb-free
Strata Enabled Automotive LED Tail Lights Evaluation Kit
Availability & Samples
Specifications
Interactive Block Diagram
产品
状况
Compliance
具体说明
封装
MSL
容器
预算价格 (1千个数量的单价)
类型
外形
类型
Temperature
类型
数量
NCV7685DQR2G Active
AEC Qualified
PPAP Capable
Pb-free
Halide free
NCV7685 SSOP-24 NB EP 940AQ 2 260 Tape and Reel 2500 Contact Sales Office
市场订货至交货的时间(周) : Contact Factory

Product
Description
Pricing ($/Unit)
Compliance
Status
VI Max (V)
IO Max (mA)
LEDs in Series, Max #
LEDs in Parallel, Max #
Package Type
NCV7685DQR2G  
Pb
A
H
P
 Active   
28
40
60
4
12
SSOP-24 NB EP
外形
940AQ   
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NCV7683  8-Channel Linear Current Driver for Automotive LED Lighting

  • Eight current sources with global current setting up to 100 mA and diagnostics
  • Global PWM duty cycle setting or configurable sequencing
  • Works standalone without MCU and with optional external MOSFET ballast transistor

NCV7691  NCV7692  Current Controllers for Automotive LED Lighting

  • Constant current output for LED string drive
  • Dedicated dimming feature via PWM input
  • Multiple LED string control with one controller

精选视频
LED Rear Lighting Demo with Linear NCV7685 Drivers
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