TEA1202 Philips Semiconductors, TEA1202 Datasheet - Page 4

• Manufacturer Part Number: TEA1202
• Description: Battery power unit
• Manufacturer: Philips Semiconductors

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LBI2
LBI1
LBO
ILIM
LX1
LX2
12
13
14
1
20
5
POWER
N-type
FET
GND0
17
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
2
CONTROL LOGIC
MODE GEARBOX
U/D
START-UP
CIRCUIT
19
DIGITAL CONTROLLER
AND
COUNTER
V ref
V ref
TIME
SHDWN0
INTERNAL
SUPPLY
REFERENCE
LDO2
LDO1
VOLTAGE
V ref
MGU062
11
10
16
15
3
9
6
7
4
8
V ref
SHDWN2
IN2
OUT2
FB2
OUT1
FB1
UPOUT/DNIN
GND
FB0