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Power Management
Lighting Driver and Controller ICs
I²C LED Controllers
- PCA9530
- PCA9531
- PCA9532
- PCA9533
- PCA9550
- PCA9551
- PCA9552
- PCA9553
- PCA9622
- PCA9624
- PCA9626
- PCA9632
- PCA9633
- PCA9634
- PCA9635PW
- PCA9685
- PCA9745B
- PCA9901
- PCA9922
- PCA9952_PCA9955
- PCA9955BTW
- PCA9956BTW
- PCA9957
- PCA9959
- PCU9656B
- OM13494
- OM13497
- OM13495
- OM13493
- OM13320
OMPCA9957LEDEV | PCA9957 Development Tool

OMPCA9957LEDEV: PCA9957 LED Driver Evaluation Board

Name: PCA9957 LED Driver Evaluation Board
Price: 522.50 USD

24-channel SPI serial bus 32 mA/5.5 V constant current LED driver

Overview

The OMPCA9957LEDEV, PCA9957 evaluation board, features LEDs for color mixing, blinking and dimming demonstrations. A graphical interface allows the user to easily explore the different functions of the driver.

The board can be connected in series with other SPI-bus demoboards.

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Target Applications

Keypad backlights
LED displays
RGB or RGBA LED drivers

OMPCA9957LEDEV top view

OMPCA9957LEDEV isometric view

OMPCA9957LEDEV bottom view

Posts and screws

USB cable USB-A micro

Specifications

Supported Devices

Power Management

I²C LED Controllers

PCA9957 : 24-Channel SPI Serial Bus 32 MA/5.5 V Constant-Current LED Driver

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Technical and Functional Specifications

Gradation control	Each channel can be assigned to one of six gradation control groups Programmable gradation time and rate for ramp-up and/or ramp-down operations Programmable step time from 0.5 ms (min) to 512 ms (max) Programmable final ramp-up and hold-on current/time Programmable brightness current output adjustment
Power	Supply voltage: 2.7 V to 5.5 V Low standby current (170 µA)
LED current	32 mA / 5.5 V output drive per channel Output current accuracy: ±4% channel to channel ±6% chip to chip Output current adjusts through resistor at REXT pin
Interface	10 MHz SPI interface Output Enable (/OE) pin

Buy

OMPCA9957LEDEV ^Active
24-Channel SPI Serial Bus 32 MA/5.5 V Constant-Current LED Driver
PCA9957 Evalaution board
- OMPCA9957LEDEV Evaluation board

OMPCA9957LEDEV
1 @ US
$522.50

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Upon selection of a preferred distributor, you will be directed to their web site to place and service your order. Please be aware that distributors are independent businesses and set their own prices, terms and conditions of sale. NXP makes no representations or warranties, express or implied, about distributors, or the prices, terms and conditions of sale agreed upon by you and any distributor.

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Design Resources

Find the design resources to evaluate your OMPCA9957LEDEV development tool.

Get Started

1. Review this Get Started and User Guide to get familiar with the hardware specifications.

Get Started and User Guide

Get Started with the OMPCA9957LEDEV
- HTML
- Sep 7, 2020
- GS-OMPCA9957LEDEV
PCA9957 Evaluation board OMPCA9957LEDEV
- PDF
- Rev 1.0
- Apr 27, 2020
- 2.9 MB
- UM11196
- English

Documents

User Guide ( 2 )

Get Started with the OMPCA9957LEDEV

This page will help guide you through the process of learning about your OMPCA9957LEDEV board.
- HTML
- Sep 7, 2020
- GS-OMPCA9957LEDEV
- English
PCA9957 Evaluation board OMPCA9957LEDEV

The PCA9957 evaluation board features LEDs for color mixing, blinking and dimming demonstrations
- PDF
- Rev 1.0
- Apr 27, 2020
- 2.9 MB
- UM11196
- English

Design Resources

Design Tools & Files ( 2 )

Printed Circuit Boards and Schematics ( 1 )

OMPCA9957LEDEV Schematics

OMPCA9957LEDEV Schematics.
- PDF
- Rev A2
- Sep 30, 2020
- 1.7 MB
- SPF-39109
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Design Files - miscellaneous ( 1 )

OMPCA9957LEDEV Design Files

OMPCA9957LEDEV Design files including BOM, Gerber, Schematics, etc
- ZIP
- Rev 1
- Sep 7, 2020
- 7.5 MB
- OMPCA9957LEDEV-DESIGN-FILES
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Software

Embedded Application Software ( 1 )

Graphics, UI, and Human Machine Interface ( 1 )

GUI for PCA9957 LED driver family

PCA9957 GUI to demo PCA9957 functionality using OMPCA9957LEDEV board
- ZIP
- Rev 0.4
- Sep 30, 2020
- 479.6 KB
- PCA9957-GUI-SW
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OMPCA9957LEDEV: PCA9957 LED Driver Evaluation Board