LTC2952 Linear Technology, LTC2952 Datasheet - Page 24

• Manufacturer Part Number: LTC2952
• Description: Pushbutton PowerPath Controller
• Manufacturer: Linear Technology

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LTC2952
TYPICAL APPLICATIONS
24
Wall Adapter and Battery Automatic Load Switchover with Pushbutton Control, Voltage Monitors and Watchdog
WALL ADAPTER
12V TO 25V
WALL ADAPTER
5V TO 20V
9V BATTERY
BATTERY
SINGLE
Li-Ion
CELL
Wall Adapter and Battery Automatic Load Switchover with Simple On/Off Pushbutton
4.2V
Si7913DN
Si6993DQ
S1
S1
Q2
Q2
C
C
ONT
22nF
ONT
22nF
Control and Voltage Monitors for System Power without μP
*
*
G2
V1
V2
M1
M2
PB
G2
V1
V2
M1
M2
PB
ONT
ONT
Si6993DQ
Si7913DN
G1
Q1
G1
LTC2952
Q1
LTC2952
GND
GND
G1STAT
G1STAT
OFFT
OFFT
VS
WDE
KILL
WDE
RST
VS
PFO
KILL
INT
RST
PFO
PFI
VM
EN
VM
INT
PFI
EN
C
68nF
C
68nF
OFFT
OFFT
*
*
R3
511k
100k
R3
1.3M
100k
R4
*OPTIONAL
R4
*OPTIONAL
V
V
IN
IN
LT1767-2.5
LT1767-3.3
SHDN
SHDN
V
V
OUT
OUT
365k
511k
R1
R1
100k
100k
R2
R2
3.3V
10k
10k
R8
R5
10k
R5
1k
R8
D1
10k
R7
R7
1k
D2
10k
R6
R6
2952 TA02
1k
D3
2.5V
μP
2952 TA03
2952fa