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TCA6507

Features: ` Seven LED Driver Outputs: On, Off, Blinking, Fading at Programmable Rates Transition and Better Switching Noise` Schmitt-Trigger Action Allows Slow Input ` Open-Drain Outputs Directly Drive LEDs to Immunity at the Inputs 40 mA Max Vhys = 0.18 V Typ at 1.8 V` Can Be Configured Into Two...

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SeekIC No. : 004515394 Detail

TCA6507: Features: ` Seven LED Driver Outputs: On, Off, Blinking, Fading at Programmable Rates Transition and Better Switching Noise` Schmitt-Trigger Action Allows Slow Input ` Open-Drain Outputs Directly Dr...

TCA6507 Data Sheet

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Part Number:
TCA6507
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

` Seven LED Driver Outputs: On, Off, Blinking, Fading at Programmable Rates Transition and Better Switching Noise
` Schmitt-Trigger Action Allows Slow Input
` Open-Drain Outputs Directly Drive LEDs to Immunity at the Inputs 40 mA Max Vhys = 0.18 V Typ at 1.8 V
` Can Be Configured Into Two Independent Vhys = 0.25 V Typ at 2.5 V Banks of LED Drivers Vhys = 0.33 V Typ at 3.3 V
` Widely Programmable Blink Rates, Fade-On and Fade-Off Rates and Maximum Intensity
` 5.5-V Tolerant Open-Drain Outputs
` Low Standby Current with Shutdown
` LED Intensity Set Using Pulse Width Capability for Additional Power Savings Modulation (PWM)
` Internal Power-On Reset
` Outputs Not Used as LED Drivers Can Be Used as Regular General-Purpose Open-Drain Components Outputs
` Programmed Through I2C Bus Interface Logic
` Internal Oscillator Requires No External
` 16 Steps of Maximum Intensity Control from Compatible With SMBus Fully-Off to Fully-On States
` 400-kHz Fast I2C Bus
` 256 Intensity Levels During Fade-On or Fade-Off for Smooth Perceived Transition
` Noise Filter on SCL/SDA Inputs
` Operating Power-Supply Voltage Range of
` No Glitch on Power Up 1.65 V to 3.6 V
` Supports Hot Insertion
` EVM Available
` ESD Protection Exceeds JESD 22
2000-V Human-Body Model (A114-A)
200-V Machine Model (A115-A)
1000-V Charged-Device Model (C101)
` Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II


Pinout

Connection Diagram


Specifications

    MIN MAX UNIT
VCC Supply voltage range 0.5 4.6 V
VI Input voltage range(2) 0.5 6.5 V
VO Output voltage(2)   6.5 V
IIK Input clamp current VI < 0 SCL, EN   ±20 mA
IOK Output clamp current VO < 0 or VO > VCC P port, SDA   ±20 mA
IOL Continuous output low current VO = 0 to VCC P port   50 mA
SDA   25  
ICC Continuous current through GND   250  
Continuous current through VCC   20 mA
JA Package thermal impedance(3) PW package   112.6  
RUE package   128  
ZXU package   TBD  
Tstg Storage temperature range 65 150  



Description

This TCA6507 7-bit LED dimmer for the two-line bidirectional bus (I2C) is designed to control (or dim) LEDs via the I2C interface [serial clock (SCL), serial data (SDA)]. Without this device, the microprocessor or microcontroller must be actively involved in turning on and off the LEDs (per the required dimming rate), which uses valuable processor time and the overloads I2C bus. The TCA6507 alleviates this issue by limiting the number of operations required by the processor in blinking LEDs and, thus, helps to create a more efficient system.




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