Key facts
- Brand
- STMicroelectronics
- Model
- TSM1052
- Category
- Power Management
- Documents
- 2
- Languages
- EN
- Last added
- 2012-08-10
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STMicroelectronics TSM1052 Constant Voltage and Constant Current Controller Datasheet
The TSM1052 is a constant voltage and constant current controller for battery chargers and AC-DC adapters. It integrates a voltage reference, two op amps with OR-ed open-drain outputs, and a low-side current sensing circuit, and is offered in a SOT23-6 package.
The datasheet covers pin connection and description, internal schematic, absolute maximum ratings, thermal data, electrical characteristics, typical characteristics, application information with a typical adapter or battery charger schematic, voltage and current control, compensation, start-up and short-circuit conditions, mechanical data, and revision history.
STMicroelectronics TSM1052 specifications
| Package | SOT23-6 |
|---|---|
| Supply voltage operating range | 1.7 to 18 V |
| Voltage reference | 1.21 V typical (1.198 to 1.222 V) |
| Current loop reference | 200 mV typical (196 to 204 mV) |
| Maximum output sink current | 100 mA |
| Absolute maximum DC supply voltage | -0.3 to 20 V |
| Thermal resistance, junction-to-ambient | 250 °C/W |
| Junction temperature operating range | -10 to 85 °C |
Source: STMicroelectronics TSM1052 Constant Voltage and Constant Current Controller Datasheet
All STMicroelectronics TSM1052 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
How to use the product for one specific task, with worked examples.
Questions answered in these manuals
What applications does the TSM1052 support?
It is intended for battery chargers and AC-DC adapters.
From: STMicroelectronics TSM1052 Constant Voltage and Constant Current Controller Datasheet
What package is the TSM1052 available in?
The TSM1052 is housed in a SOT23-6 micro package.
From: STMicroelectronics TSM1052 Constant Voltage and Constant Current Controller Datasheet
What is the main purpose of this document?
It describes a low power adapter that can be used in travel battery charger applications.
From: STMicroelectronics AN2448 Application Note: Ultra Small Battery Charger using TSM1052
Which controller is used for the secondary side?
The TSM1052 constant voltage constant current (CVCC) controller is used.
From: STMicroelectronics AN2448 Application Note: Ultra Small Battery Charger using TSM1052