PCA9632DP2 - NXP

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

PCA9632DP2
Manufacturer

NXP
ChipWorker Part#

CW354245055
RoHS

Lead free / RoHS Compliant
Description

LED DRVR 4Segment 2.5V/3.3V/5V 10Pin TSSOP T/R
Documentation

Datasheet

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PCA9632DP2 Specifications

Attribute	Attribute Value

Part Number	PCA9632DP2
Manufacturer	NXP
ChipWorker Part#	CW354245055
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	10 Pin
Case/Package	TSSOP-10
Number of Outputs	4 Output
Input Voltage (DC)	2.30V ~ 5.50V
Output Voltage	5.50 V
Output Current	25.0 mA
	expand all
Product Lifecycle Status	Unknown
RoHS	RoHS Compliant

Product Description

Overview
The PCA9632 is an I²C-bus controlled 4-bit LED driver optimized for Red/Green/Blue/Amber (RGBA) color mixing applications. The PCA9632 is a drop-in upgrade for the PCA9633 with 40× power reduction. In Individual brightness control mode, each LED output has its own 8-bit resolution (256 steps) fixed frequency Individual PWM controller that operates at 1.5625 kHz with a duty cycle that is adjustable from 0 % to 99.6 % to allow the LED to be set to a specific brightness value. In group dimming mode, each LED output has its own 6-bit resolution (64 steps) fixed frequency Individual PWM controller that operates at 6.25 kHz with a duty cycle that is adjustable from 0 % to 98.4 % to allow the LED to be set to a specific brightness value. A fifth 4-bit resolution (16 steps) Group PWM controller has a fixed frequency of 190 Hz that is used to dim all the LEDs with the same value.
While operating in the Blink mode, each LED output has its own 8-bit resolution (256 steps) fixed frequency Individual PWM controller that operates at 1.5625 kHz with a duty cycle that is adjustable from 0 % to 99.6 % to allow the LED to be set to a specific brightness value. Blink rate is controlled by the Group frequency setting that has 8-bit resolution (256 steps). The blink rate is adjustable between 24 Hz and once every 10.73 seconds. For Group frequency settings between 6 Hz and 24 Hz, the Group PWM has a 6-bit resolution (64 steps) with a duty cycle that is adjustable from 0 % to 98.4 %. For Group frequency settings between 6 Hz and 0.09 Hz (once in 10.73 seconds), the Group PWM has an 8-bit resolution (256 steps) with a duty cycle that is adjustable from 0 % to 99.6 %.
Each LED output can be off, on (no PWM control), set at its Individual PWM controller value or at both Individual and Group PWM controller values. The LED output driver is programmed to be either open-drain with a 25 mA current sink capability at 5 V or totem pole with a 25 mA sink, 10 mA source capability at 5 V. The PCA9632 operates with a supply voltage range of 2.3 V to 5.5 V and the outputs are 5.5 V tolerant. LEDs can be directly connected to the LED output (up to 25 mA, 5.5 V) or controlled with external drivers and a minimum amount of discrete components for larger current or higher voltage LEDs.
The PCA9632 is in the new Fast-mode Plus (Fm+) family. Fm+ devices offer higher frequency (up to 1 MHz) and more densely populated bus operation (up to 4000 pF).
Software programmable LED Group and three Sub Call I²C-bus addresses allow all or defined groups of PCA9632 devices to respond to a common I²C-bus address, allowing for example, all red LEDs to be turned on or off at the same time or marquee chasing effect, thus minimizing I²C-bus commands.
The Software Reset (SWRST) Call allows the master to perform a reset of the PCA9632 through the I²C-bus, identical to the Power-On Reset (POR) that initializes the registers to their default state causing the outputs to be set high-impedance. This allows an easy and quick way to reconfigure all device registers to the same condition.
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## Features
* 40× power reduction compared to PCA9633
* 4 LED drivers. Each output programmable at:
* Off
* On
* Programmable LED brightness
* Programmable group dimming/blinking mixed with individual LED brightness
* 1 MHz Fast-mode Plus I²C-bus interface with 30 mA high drive capability on SDA output for driving high capacitive buses
* 256-step (8-bit) linear programmable brightness per LED output varying from fully off (default) to maximum brightness using a 1.5625 kHz PWM signal in Individual brightness mode
* 64-step (6-bit) linear programmable brightness for each LED output varying from fully off (default) to maximum brightness using a 6.25 kHz PWM signal in group dimming mode
* In group dimming mode, 16-step group brightness control allows global dimming (using a 190 Hz PWM signal) from fully off to maximum brightness (default)
* 256-step (8-bit) linear programmable brightness per LED output varying from fully off (default) to maximum brightness using a 1.5625 kHz PWM signal in group blinking mode
* 64-step group blinking with frequency programmable from 24 Hz to 6 Hz and duty cycle from 0 % to 98.4 %
* 256-step group blinking with frequency programmable from 6 Hz to 0.09 Hz (10.73 s) and duty cycle from 0 % to 99.6 %
* Four totem pole outputs (sink 25 mA and source 10 mA at 5 V) with software programmable open-drain LED outputs selection (default at high-impedance). No input function.
* 10-pin package option provides two hardware address pins allowing four devices to operate on the same bus
* Output state change programmable on the Acknowledge or the STOP Command to update outputs byte-by-byte or all at the same time (default to ‘Change on STOP’).
* Software Reset feature (SWRST Call) allows the device to be reset through the I²C-bus
* 400 kHz internal oscillator requires no external components
* Internal power-on reset
* Noise filter on SDA/SCL inputs
* Edge rate control on outputs
* No glitch on power-up
* Supports hot insertion
* Low standby current of < 1 μA
* Operating power supply voltage range of 2.3 V to 5.5 V
* 5.5 V tolerant inputs
* -40 °C to +85 °C operation
* ESD protection exceeds 5000 V HBM per JESD22-A114 and 1000 V CDM per JESD22-C101
* Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA
* Packages offered: TSSOP8, TSSOP10, HVSON8, HVSON10
## Target Applications
* RGB or RGBA LED drivers for color mixing
* LED status information
* LED displays
* LCD backlights
* Keypad backlights for cellular phones or handheld devices
## Features

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