参数资料
型号: PCA9632TK,118
厂商: NXP Semiconductors
文件页数: 6/39页
文件大小: 0K
描述: IC LED DRIVER RGBA 8HVSON
标准包装: 1
拓扑: 开路漏极,PWM
输出数: 4
内部驱动器: 两者兼有
类型 - 主要: 背光,LED 闪烁器
类型 - 次要: RGBA
频率: 400kHz
电源电压: 2.3 V ~ 5.5 V
输出电压: 5.5V
安装类型: 表面贴装
封装/外壳: 8-VFDFN 裸露焊盘
供应商设备封装: 8-HVSON
包装: 标准包装
工作温度: -40°C ~ 85°C
其它名称: 568-8715-6
NXP Semiconductors
Table 3.
PCA9632
4-bit Fm+ I 2 C-bus low power LED driver
Pin description for TSSOP10 and HVSON10
Symbol
LED0
LED1
LED2
LED3
A0
V SS
A1
SCL
SDA
V DD
Pin
1
2
3
4
5
6 [1]
7
8
9
10
Type
O
O
O
O
I
power supply
I
I
I/O
power supply
Description
LED driver 0
LED driver 1
LED driver 2
LED driver 3
address input 0
supply ground
address input 1
serial clock line
serial data line
supply voltage
[1]
HVSON10 package die supply ground is connected to both the V SS pin and the exposed center pad. The
V SS pin must be connected to supply ground for proper device operation. For enhanced thermal, electrical,
and board-level performance, the exposed pad needs to be soldered to the board using a corresponding
thermal pad on the board, and for proper heat conduction through the board thermal vias need to be
incorporated in the PCB in the thermal pad region.
7. Functional description
Refer to Figure 1 “ Block    diagram of PCA9632 ” .
7.1 Device addresses
Following a START condition, the bus master must output the address of the slave it is
accessing.
There are a maximum of 4 possible programmable addresses using the 2 hardware
address pins for the 10-pin version and just one fixed address for the 8-pin version.
7.1.1 Regular I 2 C-bus slave address
The I 2 C-bus slave address of the PCA9632 is shown in Figure 6 . To conserve power, no
internal pull-up resistors are incorporated on the hardware selectable address pins and
they must be pulled HIGH or LOW (10-pin versions only).
Remark: Using reserved I 2 C-bus addresses will interfere with other devices, but only if
the devices are on the bus and/or the bus will be open to other I 2 C-bus systems at some
later date. In a closed system where the designer controls the address assignment these
addresses can be used since the PCA9632 treats them like any other address. The
LED All Call, Software Reset and PCA9564 or PCA9665 slave address (if on the bus) can
never be used for individual device addresses.
? PCA9632 LED All Call address (1110 000) or Software Reset (0000 0110) which are
active on start-up
? PCA9564 (0000 000) or PCA9665 (1110 000) slave address which is active on
start-up
? ‘reserved for future use’ I 2 C-bus addresses (0000 011, 1111 1XX)
? slave devices that use the 10-bit addressing scheme (1111 0XX)
PCA9632
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 27 July 2011
? NXP B.V. 2011. All rights reserved.
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