Texas Instruments TPS65820 Evaluation Module TPS65820EVM TPS65820EVM データシート
製品コード
TPS65820EVM
APPLICATION DIAGRAM
SM1
AC
BAT
OUT
USB
TMR
DPPM
TS
HOT_RST
L1
SM2
L2
L3
SM3
SM3SW
BAT
OUT
7
Battery
PGND1
PGND2
PGND3
FB3
VIN_SM2
VIN_SM1
PWM
LED_PWM
RED
BLUE
GREEN
AGND1
VIN_LDO02
LDO1
LDO0
LDO2
TRSTPWON
SYS_IN
TPS65820
INT
SDAT
SCLK
RESPWRON
AGND2
EXTERNAL HOST
GPIO2
GPIO1
ANLG1
GPIO3
ANLG2
ADC_REF
VIN_LDO35
LDO35_REF
LDO4
LDO3
LDO5
1uF
2.2uF
A1
0.1uF
1nF
210K
100K
AC_DC
ADAPTER
OUTPUT
USB
POWER
GND
GND
+
-
2K
100K
100K
A2
A1
V
L
D
O
2
V
L
D
O
1
V
L
D
O
0
V
LDO5
V
LDO4
V
LDO 3
P3
P2
V
SM2
V
SM1
P1
A1
GND
49.9K
37.4K
100 pF
GND A1 A2 A3 P1 P2 P3
SIM
RTC_OUT
AGND0
A0
V
R
T
C
_
O
U
T
ISET1
1K
Supercap
LDO_PM
V
L
D
O
_
P
M
V
S
IM
2K
37
32
35
10
10
4
5
6
50
45
44
46
47
14
13
12
18
17
11
9
8
48
33
39
40
52
49
51
2
16
31
20
15
25
26
27
28
30
29
42
21
19
3
56
55
36
34
41
38
53
43
1
24
23
54
22
A2
+
-
2.2uF
2.2uF
1uF
4.7uF
4.7uF
4.7uF
0.1uF
1uF
10uF
10uF
2.2uF
1uF
100pF
4.7uH
10uF
10uF
10uF
3.3uH
3.3uH
47nF
10uF
22uF
0.22uF
4.7uF
SYSTEM
POWER
BUS
ADC
EXTERNAL
ANALOG
INPUTS
I2C
CONFIGURABLE
GPIO’S
CLOCK
DATA
ALARM
RESET
10
NOTES:
1) RESISTOR VALUES IN OHMS
2) THE FOLLOWING PARAMETERS ARE PROGRAMMED :
2) THE FOLLOWING PARAMETERS ARE PROGRAMMED :
- R
TMR
=49. 9K: 6 HOUR CHARGE SAFETY TIMER ,
30 MIN PRE -CHARGE SAFETY TIMER
- R
SET
=1K: 1A CHARGE CURRENT (NO SCALING, INPUT LIMIT=2.5A),
100mA TERMINATION AND PRE -CHARGE CURRENTS
- R
FB3
=10 OHMS: 25mA WHITE LED CURRENT
- C
TRSTPWON
=100nF : 100mSEC RESET PULSE WIDTH
- R
DPPM
=37.4K: V
(DPPM )
=4.3V
3) THE CAPACITOR VALUES SHOWN IN THE APPLICATION DIAGRAM
MAY BE LARGER THAN THE MINIMUM REQUIRED VALUES INDICATED
IN THE PIN DESCRIPITON TABLE
4) THE VALUES SHOWN IN THE APPLICATION DIAGRAM MATCH THE
COMPONENT VALUES USED IN THE HPA 129 EVM, SEE DESIGN NOTES
SECTION FOR COMPONENT SELECTION DETAILS
MAY BE LARGER THAN THE MINIMUM REQUIRED VALUES INDICATED
IN THE PIN DESCRIPITON TABLE
4) THE VALUES SHOWN IN THE APPLICATION DIAGRAM MATCH THE
COMPONENT VALUES USED IN THE HPA 129 EVM, SEE DESIGN NOTES
SECTION FOR COMPONENT SELECTION DETAILS
VOUT
VOUT
VOUT
VOUT
VOUT
EXTERNAL
PERIPHERALS
VOUT
WHITE LEDS
VOUT
VOUT
57
PWRGND
A1
R
SET
R
TMR
R
DPPM
C
TRSTPWON
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
C15
C16
C17
C18
C19
C28
1 uF
1 uF
C21
C22
C23
C24
C25
C26
R1
R2
R3
R4
R5
R6
R
FB3
LSM1
LSM2
LSM3
C27
D1
RGB LED
P3
SLVS663B – MAY 2006 – REVISED APRIL 2008
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Figure 3. TPS65820 Application Diagram, Recommended External Components
20
Copyright © 2006–2008, Texas Instruments Incorporated
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