參數(shù)資料
型號: TPS61122PWRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 1.6 A BATTERY CHARGE CONTROLLER, 600 kHz SWITCHING FREQ-MAX, PDSO16
封裝: GREEN, PLASTIC, TSSOP-16
文件頁數(shù): 26/31頁
文件大?。?/td> 867K
代理商: TPS61122PWRG4
www.ti.com
PIN ASSIGNMENTS
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
SWP
SWN
PGND
VBAT
LBI
SKIPEN
EN
LDOEN
VOUT
FB
PGOOD
LBO
GND
LDOSENSE
LDOOUT
LDOIN
PW PACKAGE
(TOP VIEW)
VBAT
LBI
SKIPEN
LDOSENSE
PGOOD
PGND
GND
LBO
EN
LDOEN
LDOIN
LDOOUT
SWN
SWP
VOUT
FB
RSA PACKAGE
(TOP VIEW)
TPS61120
TPS61122, TPS61121
SLVS427C – JUNE 2002 – REVISED APRIL 2004
CONTROL STAGE
Power-Good threshold
VO = 3.3 V
0.9xVo
0.92xVo
0.95xVo
V
Power-Good delay
30
s
Power-Good output low voltage
VO = 3.3 V, IOI = 100 A
0.04
0.4
V
Power-Good output low current
100
A
Power-Good output leakage
VPG = 7 V
0.01
0.1
A
current
Over-Temperature protection
140
°C
Over-Temperature hysteresis
20
°C
Terminal Functions
TERMINAL
NO.
I/O
DESCRIPTION
NAME
PW
RSA
EN
7
5
I
DC/DC-enable input. (1/VBAT enabled, 0/GND disabled)
FB
15
13
I
DC/DC voltage feedback of adjustable versions
GND
12
10
I/O
Control/logic ground
LBI
5
3
I
Low battery comparator input (comparator enabled with EN)
LBO
13
11
O
Low battery comparator output (open drain)
LDOEN
8
6
I
LDO-enable input (1/LDOIN enabled, 0/GND disabled)
LDOOUT
10
8
O
LDO output
LDOIN
9
7
I
LDO input
LDOSENSE
11
9
I
LDO feedback for voltage adjustment, must be connected to LDOOUT
at fixed output voltage versions
SWP
1
15
I
DC/DC rectifying switch input
PGND
3
1
I/O
Power ground
PGOOD
14
12
O
DC/DC output power good (1 : good, 0 : failure) (open drain)
SKIPEN
6
4
I
Enable/disable power save mode (1: VBAT enabled, 0: GND disabled)
SWN
2
16
I
DC/DC switch input
VBAT
4
2
I
Supply pin
VOUT
16
14
O
DC/DC output
PowerPADTM
Must be soldered to achieve appropriate power dissipation. Should be
connected to PGND.
4
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