TSM1012IDT STMicroelectronics, TSM1012IDT Datasheet - Page 4

• Manufacturer Part Number: TSM1012IDT
• Description: IC CTRLR BATT CHRGR/ADAPT 8-SOIC
• Manufacturer: STMicroelectronics

Specifications of TSM1012IDT

• Function: Charge Management
• Battery Type: All Battery Types
• Voltage - Supply: 4.5 V ~ 28 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Product: Charge Management
• Output Current: 10 mA
• Operating Supply Voltage: 4.5 V to 28 V
• Maximum Operating Temperature: + 105 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6623-2; TSM1012IDT

TSM1012
Figure 1 : Internal Schematic
Figure 2 : Typical Adapter or Battery Charger Application Using TSM1012
In the above application schematic, the TSM1012 is used on the secondary side of a flyback adapter (or
battery charger) to provide an accurate control of voltage and current. The above feedback loop is made
with an optocoupler.
4/8
controller
PWM
primary side
optocoupler
D1
D2
Rlimit
C1
1
5
3
CV+
CC+
C2
47nF
CC-
C4
2
Vref
1,25V
R4
R5
Rsense
1
5
3
TSM1012
CV+
CC+
CC-
Gnd
2
CV
CC
Vref
1,25V
Ric2
1K
Vcc
6
Gnd
28V
CV
CC
Vcc
6
28V
8
8
Ric1
CV-
22K
Out
CV-
Out
7
4
7
4
R3
2,2nF
Rvc1
Cic1
22K
2,2nF
Cvc1
secondary side
optocoupler
R2
R1
C3
OUT+
OUT-