Overview
The TSM1011AIDT, 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 solution for voltage and current control.
The TSM1011AIDT integrates one voltage reference and two operational amplifiers with ORed outputs, making it an ideal component for both 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 | TSM1011AIDT | |
| Marketing Status | Active | |
| Package | SO-8 | |
| Grade | Industrial | |
| RoHS Compliance Grade | Ecopack2 (**) | |
| Operating Temperature Range | -0 to 105 °C | °C |
| Reference Voltage (nom) | 2.545 V | V |
| Voltage Precision | 0.5% and 1% | |
| DC Supply Voltage | 4.5 to 28 V | V |
| Input Offset Voltage | 1 to 5 mV | mV |
| Transconduction Gain | 1 to 3.5 mA/mV | mA/mV |
| Output Short-Circuit Current | 27 to 50 mA | mA |
| ESD Protection | 2 kV | kV |
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
The TSM1011AIDT is particularly useful in applications where precise control over both voltage and current is necessary, such as in the design of efficient and reliable battery charging systems and power adapters.
Q & A
- What is the primary function of the TSM1011AIDT?
The TSM1011AIDT is designed for constant voltage (CV) and constant current (CC) control in SMPS applications.
- What is the operating temperature range of the TSM1011AIDT?
The operating temperature range is from -0 to 105 °C.
- What is the reference voltage of the TSM1011AIDT?
The reference voltage is 2.545 V with 0.5% and 1% precision.
- What type of package does the TSM1011AIDT come in?
The TSM1011AIDT comes in an SO-8 package.
- What is the ESD protection level of the TSM1011AIDT?
The device has 2 kV ESD protection.
- What are the typical applications of the TSM1011AIDT?
Typical applications include adapters and battery chargers.
- How does the TSM1011AIDT achieve current limiting?
The device uses one of its operational amplifiers combined with external resistors and the voltage reference to act as a current limiter.
- What is the DC supply voltage range for the TSM1011AIDT?
The DC supply voltage range is from 4.5 to 28 V.
- Does the TSM1011AIDT have any special requirements for start-up or short-circuit conditions?
Yes, the device requires a sufficient supply voltage to ensure proper operation during start-up or short-circuit conditions, which may involve additional circuitry.
- How does the TSM1011AIDT facilitate easy compensation?
The device is designed with easy compensation in mind, allowing for simpler and more stable feedback loop configurations.
- What is the significance of the low external component count of the TSM1011AIDT?
The low external component count simplifies the design and reduces the overall cost of the system.
