Overview
The TSM101/TSM101A integrated circuit, specifically the TSM1013AIDT model from STMicroelectronics, is a versatile voltage and current controller designed for use in various power management applications. This IC incorporates a high stability series band gap voltage reference, two ORed operational amplifiers, and a current source. It is particularly useful in switching power supplies where it compares the DC voltage and current levels at the output to an internal reference, providing feedback through an optocoupler to the PWM controller IC on the primary side.
Key Specifications
| Parameter | Value |
|---|---|
| Reference Voltage (V) | 1.24 V (nominal) |
| Output Current of Reference Voltage | 10 mA |
| Precision of Reference Voltage | 1% |
| Supply Voltage Range | 4.5 to 32 V |
| Operational Amplifiers | Two ORed operational amplifiers with 1 MHz gain bandwidth product |
| Current Generator | Built-in current generator with enable/disable function |
| Package Types | SO8, DIP8, TSSOP8 |
| Operating Temperature Range (°C) | -40 to 125°C |
| RoHS Compliance | Ecopack3 |
Key Features
- High stability series band gap voltage reference with 1.24 V output and 1% precision.
- Built-in current generator with enable/disable function for modifying current limitation levels.
- Two ORed operational amplifiers with a 1 MHz gain bandwidth product.
- Available in SO8, DIP8, and TSSOP8 packages.
- Wide supply voltage range from 4.5 to 32 V.
Applications
The TSM1013AIDT is suitable for various power management applications, including:
- Switching power supplies where precise voltage and current regulation are required.
- Battery chargers and adapters that need accurate voltage and current control.
- Other power conversion systems that benefit from the integrated voltage reference, operational amplifiers, and current source.
Q & A
- What is the primary function of the TSM1013AIDT IC?
The primary function is to control and regulate voltage and current in switching power supplies and other power management applications.
- What is the nominal reference voltage provided by the TSM1013AIDT?
The nominal reference voltage is 1.24 V with a precision of 1%.
- What types of packages are available for the TSM1013AIDT?
The IC is available in SO8, DIP8, and TSSOP8 packages.
- What is the supply voltage range for the TSM1013AIDT?
The supply voltage range is from 4.5 to 32 V.
- Does the TSM1013AIDT have built-in operational amplifiers?
Yes, it includes two ORed operational amplifiers with a 1 MHz gain bandwidth product.
- What is the purpose of the built-in current generator?
The built-in current generator can be used to modify the level of current limitation by offsetting the information coming from the current sensing resistor.
- Is the TSM1013AIDT RoHS compliant?
Yes, it is RoHS compliant with an Ecopack3 rating.
- What is the operating temperature range for the TSM1013AIDT?
The operating temperature range is from -40°C to 125°C.
- Can the TSM1013AIDT be used in battery chargers?
Yes, it is suitable for use in battery chargers and adapters due to its precise voltage and current control capabilities.
- Where can I find more detailed specifications and datasheets for the TSM1013AIDT?
You can find detailed specifications and datasheets on the STMicroelectronics website, as well as through distributors like Mouser and Digi-Key.
