tea1202ts NXP Semiconductors, tea1202ts Datasheet - Page 6

• Manufacturer Part Number: tea1202ts
• Description: Battery Power Unit
• Manufacturer: NXP Semiconductors

Philips Semiconductors
6
2002 Mar 14
handbook, full pagewidth
0.95 V starting power unit
LBI2
LBI1
LBO
BLOCK DIAGRAM
ILIM
LX1
LX2
12
13
14
20
1
5
GND0
POWER
17
N-type
FET
sense
FET
LOW BATTERY
DETECTOR
V ref
TEMPERATURE
OSCILLATOR
PROTECTION
13 MHz
CURRENT LIMIT
COMPARATOR
P-type POWER FET
TEA1202TS
SYNC/PWM
SYNC
GATE
Fig.1 Block diagram.
18
sense FET
SHDWN0
6
2
CONTROL LOGIC
U/D
MODE GEARBOX
START-UP
CIRCUIT
19
DIGITAL CONTROLLER
AND
COUNTER
TIME
V ref
V ref
SHDWN0
INTERNAL
SUPPLY
REFERENCE
VOLTAGE
LDO2
LDO1
Preliminary specification
V ref
TEA1202TS
MGU062
11
10
16
15
3
9
6
7
4
8
SHDWN2
IN2
OUT2
FB2
OUT1
FB1
UPOUT/DNIN
GND
FB0
V ref