NXP Semiconductors
PCA9626
24-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
PCA9626B
PCA9626
LQFP48
plastic low profile quad flat package; 48 leads;
SOT313-2
body 7 ? 7 ? 1.4 mm
PCA9626BS
PCA9626
HVQFN48 plastic thermal enhanced very thin quad flat package;
SOT778-4
no leads; 48 terminals; body 6 ? 6 ? 0.85 mm
5. Block diagram
A0 A1 A2 A3 A4 A5 A6
SCL
INPUT FILTER
SDA
I 2 C-BUS
CONTROL
PCA9626
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
002aad608
Remark: Only one LED output shown for clarity.
Fig 1.
Block diagram of PCA9626
PCA9626
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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