参数资料
型号: PCA9635PW/S911,118
厂商: NXP Semiconductors
文件页数: 6/35页
文件大小: 0K
描述: IC LED DRIVER RGBA 28-TSSOP
标准包装: 2,500
拓扑: 开路漏极,PWM
输出数: 16
内部驱动器:
类型 - 主要: 背光,LED 闪烁器
类型 - 次要: RGBA
频率: 100kHz ~ 1MHz
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: 28-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 28-TSSOP
包装: 带卷 (TR)
工作温度: -40°C ~ 85°C
其它名称: 935285521118
PCA9635PW/S911-T
PCA9635PW/S911-T-ND
NXP Semiconductors
slave address
PCA9635
16-bit Fm+ I 2 C-bus LED driver
A6
A5
A4
A3
A2
A1
A0 R/W
hardware selectable
002aab319
Fig 3.
Slave address
The last bit of the address byte de?nes the operation to be performed. When set to logic 1
a read is selected, while a logic 0 selects a write operation.
7.1.2 LED all call I 2 C-bus address
? Default power-up value (ALLCALLADR register): E0h or 1110 000X
? Programmable through I 2 C-bus (volatile programming)
? At power-up, LED All Call I 2 C-bus address is enabled. PCA9635 sends an ACK when
E0h (R/W = 0) or E1h (R/W = 1) is sent by the master.
See Section 7.3.8 “ALLCALLADR, LED All Call I 2 C-bus address” for more detail.
Remark: The default LED All Call I 2 C-bus address (E0h or 1110 000X) must not be used
as a regular I 2 C-bus slave address since this address is enabled at power-up. All the
PCA9635s on the I 2 C-bus will acknowledge the address if sent by the I 2 C-bus master.
7.1.3 LED sub call I 2 C-bus addresses
? 3 different I 2 C-bus addresses can be used
? Default power-up values:
– SUBADR1 register: E2h or 1110 001X
– SUBADR2 register: E4h or 1110 010X
– SUBADR3 register: E8h or 1110 100X
? Programmable through I 2 C-bus (volatile programming)
? At power-up, Sub Call I 2 C-bus addresses are disabled. PCA9635 does not send an
ACK when E2h (R/W = 0) or E3h (R/W = 1), E4h (R/W = 0) or E5h (R/W = 1), or
E8h (R/W = 0) or E9h (R/W = 1) is sent by the master.
See Section 7.3.7 “SUBADR1 to SUBADR3, I 2 C-bus subaddress 1 to 3” for more detail.
Remark: The default LED Sub Call I 2 C-bus addresses may be used as regular I 2 C-bus
slave addresses as long as they are disabled.
PCA9635_7
? NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 07 — 16 July 2009
6 of 35
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