TPS3600D20_16 Datasheet, PDF (1/26 Pages) Texas Instruments – BATTERY-BACKUP SUPERVISORS FOR LOW-POWER PROCESSORS

TPS3600D20, TPS3600D25, TPS3600D33, TPS3600D50
BATTERYĆBACKUP SUPERVISORS FOR LOWĆPOWER PROCESSORS
features
D Supply Current of 40 µA (Max)
D Precision Supply Voltage Monitor
− 2.0 V, 2.5 V, 3.3 V, 5.0 V
− Other Versions on Request
D Watchdog Timer With 800-ms Time-Out
D Backup-Battery Voltage Can Exceed V_DD
D Power-On Reset Generator With Fixed
100-ms Reset Delay Time
D Battery OK Output
D Voltage Monitor for Power-Fail or
Low-Battery Monitoring
D Manual Switchover to Battery-Backup
Mode
D Chip-Enable Gating −3 ns (at V_DD = 5 V)
Max. Propagation Delay
D Manual Reset
D Battery Freshness Seal
D 14-Pin TSSOP Package
D Temperature Range . . . −40°C to 85°C
typical operating circuit
SLVS336B − DECEMBER 2000 − REVISED JANUARY 2007
typical applications
D Fax Machines
D Set-Top Boxes
D Advanced Voice Mail Systems
D Portable Battery Powered Equipment
D Computer Equipment
D Advanced Modems
D Automotive Systems
D Portable Long-Time Monitoring Equipment
D Point of Sale Equipment
TSSOP (PW) Package
(TOP VIEW)
VOUT
1
VDD
2
GND
3
MSWITCH
4
CEIN
5
BATTON
6
PFI
7
14
VBAT
13
RESET
12
WDI
11
MR
10
CEOUT
9
BATTOK
8
PFO
ACTUAL SIZE
(5,10mm x 6,60mm)
Power
Supply
0.1 µF
Address
Decoder
External
Source
Manual
Reset
CEIN CEOUT _Backup
Rx
VDD
VBAT
TPS3600
Battery
PFI
Address Bus
uC
Ry
RESET
WDI
PFO
RESET
I/O _{Data Bus}
I/O
BATTOK
I/O
MR BATTON
MSWITCH _VOUT
GND
Switchover
Capacitor
0.1 µF
I/O
VCC
GND
CE
CMOS
RAM
VCC
8
16
CE
CMOS
RAM
VCC
8
Real-
Time
Clock
VCC
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PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
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