STMicroelectronics TSM1052
| Parameters | |
|---|---|
| Series | - |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | SOT-23-6 |
| Interface | - |
| Mfr | STMicroelectronics |
| Mounting Type | Surface Mount |
| Operating Temperature | -10°C ~ 85°C (TA) |
| Number of Cells | - |
| Battery Chemistry | - |
| Charge Current - Max | - |
| Supplier Device Package | SOT-23-6 |
| Fault Protection | - |
| Programmable Features | - |
| Current - Charging | Constant |
| Battery Pack Voltage | - |
| Voltage - Supply (Max) | 18V |
| Package | Tape & Reel (TR) |
| Product Status | Active |
| Base Product Number | TSM1052 |
| REACH Status | REACH Unaffected |
| Standard Package | 3,000 |
| ECCN | EAR99 |
| HTSUS | 8542.39.0001 |
STMicroelectronics TSM1052: A Comprehensive Overview
The TSM1052 is a highly integrated constant voltage (CV) and constant current (CC) controller designed for switch-mode power supply (SMPS) applications, particularly for battery chargers and adapters. Manufactured by STMicroelectronics, this device features a voltage reference, two op amps with OR-ed open-drain outputs, and a low-side current sensing circuit. It operates within a wide input voltage range of -0.3V to +18V and can deliver up to 100mA of output current. The TSM1052 is housed in a compact SOT-23 package, making it ideal for space-constrained applications.
TSM1052 Charger IC Features
The TSM1052 integrates essential components for both voltage and current control loops, providing precise regulation for battery charging and power supply applications. Its key features include:
- A 1.2V voltage reference for stable regulation.
- Two op amps with OR-ed open-drain outputs for flexible control.
- A low-side current sensing circuit for accurate current monitoring.
- Wide operating voltage range (-0.3V to +18V) and a maximum output current of 100mA.
- Compact SOT-23 package suitable for small form-factor designs.
- Frequency compensation components (RC networks) for both control loops, ensuring stable operation.
TSM1052 Applications
The TSM1052 is specifically designed for applications requiring precise voltage and current regulation, such as:
- Battery chargers for portable devices.
- Adapters for various electronic equipment.
- Power supplies in consumer electronics.
