Overview
The L6571BD013TR, produced by STMicroelectronics, is a high voltage half bridge driver integrated circuit with a built-in oscillator. This device is designed to drive external n-channel power MOSFETs and IGBTs, making it suitable for various high-voltage applications. The oscillator frequency can be programmed using external resistors and capacitors, and the device can also be driven by an external logic signal. The L6571BD013TR comes in two versions, L6571A and L6571B, which differ in their internal dead times (1.25µs and 0.72µs, respectively).
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VS) | 10 - 600 | V |
| High Side Switch Gate Output (VHVG) | -1 to VBOOT | V |
| Low Side Driver Output (VLVG) | -1 to VBOOT | V |
| Driver Current Capability - Sink Current | 270 mA | mA |
| Driver Current Capability - Source Current | 170 mA | mA |
| Internal Dead Time (L6571A) | 1.25 µs | µs |
| Internal Dead Time (L6571B) | 0.72 µs | µs |
| Operating Temperature Range | -40 to 125 | °C |
| Package Type | SO-8 | - |
| dV/dt Immunity | ±50 V/ns | V/ns |
| Start-up Current | 150 µA | µA |
Key Features
- High voltage rail up to 600 V
- BCD off-line technology
- 15.6 V Zener clamp on Vs
- Programmable oscillator frequency using external resistor and capacitor
- Under voltage lockout with hysteresis
- dV/dt immunity up to ±50 V/ns
- ESD protection
- Very low start-up current: 150 µA
- Internal logic to avoid cross-conduction of power devices
Applications
The L6571BD013TR is suitable for a variety of high-voltage applications, including but not limited to:
- Power supplies and converters
- Motor control and drive systems
- High-voltage DC-DC converters
- Switch-mode power supplies
- Industrial control systems
Q & A
- What is the L6571BD013TR used for?
The L6571BD013TR is a high voltage half bridge driver used to drive external n-channel power MOSFETs and IGBTs in various high-voltage applications.
- How can the oscillator frequency be programmed?
The oscillator frequency can be programmed using external resistors and capacitors connected to the RF and CF pins.
- What are the internal dead times for L6571A and L6571B?
The internal dead times are 1.25 µs for L6571A and 0.72 µs for L6571B.
- What is the maximum operating temperature for the L6571BD013TR?
The maximum operating temperature is 125°C.
- What is the package type of the L6571BD013TR?
The package type is SO-8.
- Does the L6571BD013TR have ESD protection?
- What is the start-up current of the L6571BD013TR?
The start-up current is 150 µA.
- What is the dV/dt immunity of the L6571BD013TR?
The dV/dt immunity is up to ±50 V/ns.
- Can the L6571BD013TR be driven by an external logic signal?
- What is the high voltage rail capability of the L6571BD013TR?
The high voltage rail capability is up to 600 V.
