Overview
The TSM1011ID, produced by STMicroelectronics, is a highly integrated solution designed for Switch-Mode Power Supply (SMPS) applications that require both constant voltage (CV) and constant current (CC) modes. This device is particularly suited for battery chargers and adapters, offering a compact and efficient way to control voltage and current.
The TSM1011ID integrates one voltage reference and two operational amplifiers with ORed outputs, making it an ideal component for voltage control and current limiting. The device operates with a low external component count, facilitating simpler and more cost-effective designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Part Number | TSM1011ID | |
| Package | SO-8 | |
| Operating Temperature Range | 0 to 105 | °C |
| DC Supply Voltage (VCC) | 4.5 to 28 | V |
| Reference Voltage (VRef) | 2.545 | V |
| Voltage Precision | 0.5% and 1% | |
| ESD Protection | 2 kV | |
| Total Current Consumption (ICC) | 1 mA (typ.) | mA |
| Thermal Resistance Junction to Ambient (Rthja) | 175 | °C/W |
Key Features
- Constant voltage and constant current control
- Low voltage operation
- Low external component count
- Current sink output stage
- Easy compensation
- 2 kV ESD protection
- Fixed output voltage reference of 2.545 V with 0.5% and 1% voltage precision
Applications
- Adapters
- Battery chargers
Q & A
- What is the primary function of the TSM1011ID?
The TSM1011ID is designed for SMPS applications requiring constant voltage (CV) and constant current (CC) modes, particularly in battery chargers and adapters.
- What is the package type of the TSM1011ID?
The TSM1011ID comes in an SO-8 package.
- What is the operating temperature range of the TSM1011ID?
The operating temperature range is from 0 to 105 °C.
- What is the reference voltage of the TSM1011ID?
The reference voltage is 2.545 V with 0.5% and 1% precision.
- Does the TSM1011ID have ESD protection?
Yes, it has 2 kV ESD protection.
- What are the typical applications of the TSM1011ID?
The TSM1011ID is typically used in adapters and battery chargers.
- How many operational amplifiers does the TSM1011ID integrate?
The TSM1011ID integrates two operational amplifiers with ORed outputs.
- What is the significance of the low external component count of the TSM1011ID?
The low external component count simplifies the design and reduces the overall cost of the application.
- How does the TSM1011ID facilitate voltage and current control?
The device uses one operational amplifier for voltage control and the other for current limiting, combined with a voltage reference and external resistors.
- What is the thermal resistance junction to ambient (Rthja) of the TSM1011ID?
The thermal resistance junction to ambient (Rthja) is 175 °C/W.
- What is the typical total current consumption of the TSM1011ID?
The typical total current consumption (ICC) is 1 mA.
