TSM1051CD STMicroelectronics, TSM1051CD Datasheet - Page 6

• Manufacturer Part Number: TSM1051CD
• Description: IC CONTROLLER CC/CV SMPS 8SOIC
• Manufacturer: STMicroelectronics

Specifications of TSM1051CD

• Function: Charge Management
• Battery Type: All Battery Types
• Voltage - Supply: 2.5 V ~ 12 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Operating Supply Voltage: 2.5 V to 12 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-4478-5

Schematics
3
3.1
3.2
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Schematics
Internal schematic
Figure 2.
Typical application circuit
Figure 3.
In the above application schematic, the device is used on the secondary side of a flyback
adaptor (or battery charger) to provide an accurate control of voltage and current. The
above feedback loop is made with an optocoupler.
Block diagram
Typical adaptor or battery charger application using the device
TSM1051
TSM1051
200 mV
200 mV
1.210 V
1.210 V
+
+
Ictrl
Ictrl
200 mV
200 mV
1.210 V
1.210 V
+
+
4
4
Ictrl
Ictrl
4
4
Rsense
Rsense
Vsense
Vsense
Iout
Iout
+
+
+
+
-
-
-
-
Vsense
Vsense
5
5
+
+
+
+
-
-
-
-
Vcc
Vcc
6
6
5
5
Ric2
Ric2
Vcc
Vcc
6
6
3
3
1
1
2
2
3
3
1
1
2
2
Vctrl
Vctrl
GND
GND
OUT
OUT
Vctrl
Vctrl
GND
GND
OUT
OUT
Ric1
Ric1
Rled
Rled
Cvc1
Cvc1
Cic1
Cic1
Rvc1
Rvc1
R1
R1
R2
R2
TSM1051
Vout
Vout