參數(shù)資料
型號: TPS65820RSHTG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: 8-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC56
封裝: 7 X 7 MM, GREEN, PLASTIC, QFN-56
文件頁數(shù): 9/98頁
文件大?。?/td> 2290K
代理商: TPS65820RSHTG4
PIN ASSIGNMENT
SYS_IN
L1
SM1
PGND1
PGND2
SM2
L2
AGND0
SM3
FB3
L3
SM3SW
OUT
SIM
OUT
GPIO1
USB
GPIO2
LDO_PM
PWM
AC
RED
BA
T
GREEN
BA
T
BLUE
TMR
SCLK
ISET1
SDA T
DPPM
INT
TS
RESPWRON
R TC_OUT
TRSTPWON
HO
T_RST
LDO1
LDO0
LDO3
LDO35_REF
VIN_LDO35
LDO4
ADC_REF
AGND2
ANLG1
ANLG2
LDO5
GPIO3
GROUNDPAD
AGND1
VIN_LDO02
PGND3
VIN_SM2
VIN_SM1
2
11
8
13
10
12
9
6
7
5
3
4
14
38
41
36
39
37
40
42
34
35
33
32
31
30
27
29
25
28
26
24
23
22
19
21
20
18
17
LED_PWM
LDO2
48
47
43
44
46 45
49
50
51
54
52
56
53
55
1
16
15
www.ti.com .............................................................................................................................................................. SLVS663B – MAY 2006 – REVISED APRIL 2008
ELECTRICAL CHARACTERISTICS – LED AND PWM DRIVERS (continued)
Over recommended operating conditions (typical values at TJ = 25°C), application circuit as in Figure 3 (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOL(LEDPWM)
Low level output voltage
I(LED_PWM) = 150 mA
0.5
V
VOH(LEDPWM)
High level output voltage
6
V
RGB DRIVER, RED/GREEN/BLUE OPEN DRAIN OUTPUTS
tFLASH(RGB) = 1 to 8 s, set
Flashing period range
via I2C, 0.5 s minimum
s
tFLASH(RGB)
Flashing period
step, 8 steps
Total accuracy
-20%
20%
Set via I2C, tFLASH(ON) =
Flash on time range, value selectable by I2C
0.1/0.15/0.2/0.25/0.3/0.4/
s
tFLASH(ON)
Flash on time
0.5/0.6 s
Total accuracy, relative to selected value
-20%
20%
DRGB = 0% to 99.98%, set
DRGB
Duty cycle
Duty cycle range, value selectable via I2C
via I2C, 3.23% minimum
step
00 (Driver set to OFF)
V(RED) = V(GREEN) =
01
2.4
4
5.6
ISINK(RGB)
RGB output sink current
V(BLUE) = 2 V, set via I2C
mA
10
4.8
8
11.2
RGB_ISET1,0
11
7
12
16.6
Output low voltage, 8-mA load, RED/GREEN/BLUE
VOL(RGB)
Low-level output voltage
0.3
V
PINS
V(RED)=V(GREEN)=V(BLUE) = 4.7 V, all drivers
ILKG(RGB)
Output off leakage current
1
A
disabled
Copyright 2006–2008, Texas Instruments Incorporated
17
Product Folder Link(s): TPS65820
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