参数资料
型号: PCA9635PW/S911,118
厂商: NXP Semiconductors
文件页数: 17/35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
PCA9635
16-bit Fm+ I 2 C-bus LED driver
Table 14.
Use of INVRT and OUTDRV based on connection to the LEDn outputs when OE = 0 [1]
INVRT OUTDRV Direct connection to LEDn
External N-type driver
External P-type driver
Firmware
External
Firmware
External
Firmware
External
pull-up
resistor
pull-up
resistor
pull-up
resistor
0
0
formulas and LED
output state values
LED current formulas and LED required
limiting R [2]
output state
formulas and LED
output state values
required
apply [2]
values inverted
apply
0
1
formulas and LED
LED current formulas and LED not required formulas and LED
not
output state values
apply [2]
limiting R [2]
output state
values inverted
output state values required [4]
apply [4]
1
0
formulas and LED
output state values
LED current formulas and LED required
limiting R
output state
formulas and LED
output state values
required
inverted
values apply
inverted
1
1
formulas and LED
output state values
LED current formulas and LED not
required [3]
limiting R
output state
formulas and LED
output state values
not required
inverted
values apply [3]
inverted
[1]
[2]
[3]
[4]
When OE = 1, LED output state is controlled only by OUTNE[1:0] bits (MODE2 register).
Correct con?guration when LEDs directly connected to the LEDn outputs (connection to V DD through current limiting resistor).
Optimum con?guration when external N-type (NPN, NMOS) driver used.
Optimum con?guration when external P-type (PNP, PMOS) driver used.
Table 15.
Output transistors based on LEDOUT registers, INVRT and OUTDRV bits when OE = 0 [1]
LEDOUT
INVRT
OUTDRV
Upper transistor Lower transistor
LEDn state
(V DD to LEDn)
(LEDn to V SS )
00
LED driver off
01
LED driver on
10
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
off
on
off
off
off
off
off
on
off
off
off
on
on
on
on
off
off
individual PWM
high-Z [2]
V DD
V SS
V SS
V SS
V SS
high-Z [2]
V DD
V SS or high-Z [2] = PWMx value
Individual
(non-inverted)
brightness
0
1
individual PWM
individual PWM
V SS or V DD = PWMx value
control
(non-inverted)
(non-inverted)
1
0
off
individual PWM
high-Z [2] or V SS = 1 ? PWMx value
(inverted)
1
1
individual PWM
individual PWM
V DD or V SS = 1 ? PWMx value
PCA9635_7
(inverted)
(inverted)
? NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 07 — 16 July 2009
17 of 35
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