TEA1202 Philips Semiconductors, TEA1202 Datasheet - Page 14

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

Philips Semiconductors
2000 Jun 08
handbook, full pagewidth
Battery power unit
low battery
regulator 2
shut-down
shut-down
detection
external
DC/DC
Fig.6 Application in 2-cell NiCd or NiMH battery powered equipment.
clock
C1
R7
R8
R9
L1
C5
C6
SYNC/PWM
SHDWN0
SHDWN2
LBO
LBI2
LBI1
Vref
LX1
LX2
U/D
IN2
UPCONVERTER
1
20
11
13
12
19
14
18
2
15
3
LOW BATTERY
TEA1202TS
TEA1202TS
DETECTOR
8
14
GND
equivalent block diagram
DC/DC
D1
17
GND0
16
10
5
4
6
7
9
UPOUT/DNIN
FB0
OUT1
FB1
OUT2
FB2
ILIM
R1
R2
R3
R4
R5
R6
R10
LDO1
LDO2
C2
C3
C4
MGU064
DC/DC
output
regulator 1
output
regulator 2
output
low battery
detection
DC/DC
output
regulator 1
output
regulator 2
output
Objective specification
TEA1202TS