NXP Semiconductors
PCA9624
8-bit Fm+ I 2 C-bus 100 mA 40 V LED driver
3. Applications
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RGB or RGBA LED drivers
LED status information
LED displays
LCD backlights
Keypad backlights for cellular phones or handheld devices
4. Ordering information
Table 1.
Ordering information
Type number
Topside mark
Package
Name
Description
Version
PCA9624BS
9624
HVQFN24 plastic thermal enhanced very thin quad flat package;
SOT616-3
no leads; 24 terminals; body 4 ? 4 ? 0.85 mm
PCA9624PW
PCA9624PW
TSSOP24
plastic thin shrink small outline package; 24 leads;
SOT355-1
body width 4.4 mm
5. Block diagram
A0 A1 A2 A3 A4 A5 A6
SCL
INPUT FILTER
SDA
I 2 C-BUS
CONTROL
PCA9624
V DD
POWER-ON
RESET
V SS
LED
STATE
SELECT
REGISTER
PWM
REGISTER X
BRIGHTNESS
CONTROL
LEDn
97 kHz
24.3 kHz
GRPFREQ
REGISTER
GRPPWM
MUX/
CONTROL
FET
DRIVER
25 MHz
OSCILLATOR
190 Hz
REGISTER
'0' – permanently OFF
'1' – permanently ON
OE
002aad591
Remark: Only one LED output shown for clarity.
Fig 1.
Block diagram of PCA9624
PCA9624
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 6 September 2012
? NXP B.V. 2012. All rights reserved.
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相关代理商/技术参数
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PCA9625DS911,518 功能描述:LED照明驱动器 16-bit Fm I2C Bus 100mA 24 V LED drivr RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
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