Datasheet

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
HOT_RST
LDO1
LDO0
LDO3
LDO35_REF
VIN_LDO35
LDO4
ADC_REF
AGND2
ANLG1
ANLG2
LDO5
GPIO3
GROUNDPAD
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 282624232219 21201817
LED_PWM
LDO2
48 47 434446 4549505154 5256 5355
1
1615
TPS65820
www.ti.com .............................................................................................................................................................. SLVS663B – MAY 2006 – REVISED APRIL 2008
ELECTRICAL CHARACTERISTICS – LED AND PWM DRIVERS (continued)
Over recommended operating conditions (typical values at T
J
= 25 ° C), application circuit as in Figure 3 (unless otherwise
noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
OL(LEDPWM)
Low level output voltage I(LED_PWM) = 150 mA 0.5 V
V
OH(LEDPWM)
High level output voltage 6 V
RGB DRIVER, RED/GREEN/BLUE OPEN DRAIN OUTPUTS
t
FLASH(RGB)
= 1 to 8 s, set
Flashing period range via I
2
C, 0.5 s minimum s
t
FLASH(RGB)
Flashing period
step, 8 steps
Total accuracy -20% 20%
Set via I
2
C, t
FLASH(ON)
=
Flash on time range, value selectable by I
2
C 0.1/0.15/0.2/0.25/0.3/0.4/ s
t
FLASH(ON)
Flash on time
0.5/0.6 s
Total accuracy, relative to selected value -20% 20%
D
RGB
= 0% to 99.98%, set
D
RGB
Duty cycle Duty cycle range, value selectable via I
2
C via I
2
C, 3.23% minimum
step
00 (Driver set to OFF)
V(RED) = V(GREEN) =
01 2.4 4 5.6
I
SINK(RGB)
RGB output sink current V(BLUE) = 2 V, set via I
2
C mA
10 4.8 8 11.2
RGB_ISET1,0
11 7 12 16.6
Output low voltage, 8-mA load, RED/GREEN/BLUE
V
OL(RGB)
Low-level output voltage 0.3 V
PINS
V(RED)=V(GREEN)=V(BLUE) = 4.7 V, all drivers
I
LKG(RGB)
Output off leakage current 1 µ A
disabled
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