Overview
The TPS40210DGQR is a wide-input voltage, nonsynchronous boost controller produced by Texas Instruments. This device is designed to operate within a broad input voltage range of 4.5 V to 52 V, making it versatile for various power conversion topologies. The TPS40210 is suitable for applications requiring a grounded source N-channel FET, including boost, flyback, SEPIC, and LED driver configurations. It features advanced control mechanisms such as programmable soft start, overcurrent protection, and adjustable oscillator frequency, which enhance its performance and reliability.
Key Specifications
| Parameter | Value |
|---|---|
| Input Operating Voltage | 4.5 V to 52 V |
| Package Type | HVSSOP (10 pins) |
| Package Size | 3.05 mm x 4.98 mm |
| Operating Temperature Range | -40°C to 125°C |
| Reference Voltage | 700 mV (TPS40210) |
| Oscillator Frequency | Adjustable |
| Control Mode | Fixed frequency current mode control |
| Slope Compensation | Internal slope compensation |
| Soft Start | Programmable closed-loop soft start |
| Overcurrent Protection | With automatic retry |
| Low Current Disable Function | Available |
Key Features
- Functional Safety-Capable: Documentation available to aid functional safety system design.
- Wide Input Operating Voltage: 4.5 V to 52 V.
- Adjustable Oscillator Frequency: Allows for customization of the switching frequency.
- Fixed Frequency Current Mode Control: Provides improved transient response and simplified loop compensation.
- Internal Slope Compensation: Eliminates sub-harmonic instability in peak current mode control.
- Integrated Low-Side Driver: Simplifies the circuit design.
- Programmable Closed-Loop Soft Start: Prevents output-voltage overshoot during startup.
- Overcurrent Protection with Automatic Retry: Enhances reliability and fault tolerance.
- External Synchronization Capable: Allows synchronization with external clocks.
- Low Current Disable Function: Reduces quiescent current in shutdown mode.
Applications
- LED Lighting: Suitable for various LED driver applications due to its adjustable reference voltage.
- Industrial Control Systems: Used in systems requiring robust and reliable power conversion.
- Battery-Powered Systems: Ideal for systems with varying input voltages.
- Boost, Flyback, SEPIC Topologies: Versatile for different power conversion needs.
Q & A
- What is the input voltage range of the TPS40210DGQR?
The input voltage range is 4.5 V to 52 V. - What types of power conversion topologies is the TPS40210DGQR suitable for?
It is suitable for boost, flyback, SEPIC, and LED driver applications. - Does the TPS40210DGQR have overcurrent protection?
Yes, it has overcurrent protection with automatic retry. - Can the oscillator frequency be adjusted?
Yes, the oscillator frequency is adjustable. - What is the purpose of the internal slope compensation?
The internal slope compensation eliminates sub-harmonic instability in peak current mode control. - Is the TPS40210DGQR functional safety-capable?
Yes, it is functional safety-capable with available documentation to aid in system design. - What is the reference voltage for the TPS40210?
The reference voltage is 700 mV. - Does the TPS40210DGQR have a soft-start feature?
Yes, it has a programmable closed-loop soft start feature. - Can the TPS40210DGQR be synchronized with an external clock?
Yes, it is capable of external synchronization. - What is the operating temperature range of the TPS40210DGQR?
The operating temperature range is -40°C to 125°C.
