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PCA9530

Features: 2 LED drivers (on, off, flashing at a programmable rate)2 selectable, fully programmable blink rates (frequency and dutycycle) between 0.625 and 160 Hz (1.6 seconds and 6.25 milliseconds)256 brightness stepsInput/output not used as LED drivers can be used as regular GPIOsInternal oscilla...

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SeekIC No. : 004456285 Detail

PCA9530: Features: 2 LED drivers (on, off, flashing at a programmable rate)2 selectable, fully programmable blink rates (frequency and dutycycle) between 0.625 and 160 Hz (1.6 seconds and 6.25 milliseconds)2...

PCA9530 Data Sheet

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Part Number:
PCA9530
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:

2 LED drivers (on, off, flashing at a programmable rate)
2 selectable, fully programmable blink rates (frequency and duty
cycle) between 0.625 and 160 Hz (1.6 seconds and 6.25 milliseconds)
256 brightness stepsInput/output not used as LED drivers can be used as regular GPIOs
Internal oscillator requires no external components
I 2C interface logic compatible with SMBus
Internal power-on resetNoise filter on SCL/SDA inputs
Active low reset input2 open drain outputs directly drive LEDs to 25 mA
Edge rate control on outputsNo glitch on power-up
Supports hot insertionLow stand-by current
Operating power supply voltage range of 2.3 V to 5.5 V0 to 400 kHz clock frequency
ESD protection exceeds 2000 V HBM per JESD22-A114,
150 V MM per JESD22-A115 and 1000 V CDM per
JESD22-C101Latch-up testing is done to JESDEC Standard JESD78 which
exceeds 100 mAPackage offer: SO8, TSSOP8, VSSOP8


Pinout

Connection Diagram


Specifications

symbol partameter conditions MIN MAX unit
VDD Supply voltage   -0.5  6.0  V
VI/O DC voltage on an I/O   VSS- 0.5
 5.5  V
I I/O DC output current on an I/O    - +25  MA

ISS		 upply current    - 100  MA
Ptot Total power dissipation    - 400  WA
Tstg Storage temperature range   -65 +150  °C
Tamb Operating ambient temperature   -40  +85 °C



Description

    The PCA9530 is a 2-bit I2C and SMBus I/O expander optimized for dimming LEDs in 256 discrete steps for Red/Green/Blue (RGB) color mixing and back light applications. The PCA9530 contains an internal oscillator with two user programmable blink rates and duty cycles coupled to the output PWM. The LED brightness of PCA9530 is controlled by setting the blink rate high enough (> 100 Hz) that the blinking can not be seen and then using the duty cycle to vary the amount of time the LED is on and thus the average current through the LED.




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