Overview
The DRV595DAPR from Texas Instruments is a high-efficiency, high-current power driver designed to drive a wide variety of loads in systems powered from 4.5V to 26V. This device is ideal for applications requiring PWM operation and features a low output stage on-resistance, which significantly reduces power dissipation in the amplifier. The DRV595 includes an advanced oscillator/PLL circuit with multiple switching frequency options and a Master/Slave synchronization feature, enabling easy integration and synchronization of multiple devices in complex systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | 4.5 to 26 | V |
| Output Current | ±4 A | A |
| Operating Temperature Range | -40 to 85 | °C |
| Operating Junction Temperature Range | -40 to 150 | °C |
| Storage Temperature Range | -40 to 125 | °C |
| Oscillator Frequency | 376 to 1278 kHz | kHz |
| Input Voltage (VI) | -0.3 to 6.3 V | V |
| High-Level Input Voltage (VIH) | 2 V | V |
| Low-Level Input Voltage (VIL) | 0.8 V | V |
| Power Supply Ripple Rejection (PSRR) | -70 dB | dB |
| Common-Mode Rejection Ratio (CMRR) | -56 dB | dB |
| Package | HTSSOP (DAP)-32 |
Key Features
- High-efficiency operation with low output stage on-resistance, reducing power dissipation.
- Wide supply voltage range: 4.5 V to 26 V.
- ±4 A output current capability.
- Advanced oscillator/PLL circuit with multiple switching frequency options.
- Master/Slave synchronization feature for easy integration of multiple devices.
- Soft shutdown feature.
- Thermal shutdown protection and over-temperature alert.
- Error flag indication through the FAULTZ pin.
- Integrated self-protection circuits including over-voltage, under-voltage, over-temperature, and short circuit protection.
Applications
- Power Line Communications (PLC) drivers.
- Motor drivers.
- Servo amplifiers.
- Systems requiring high-current and high-efficiency power drivers.
- Complex systems needing synchronization of multiple devices.
Q & A
- What is the supply voltage range of the DRV595DAPR?
The supply voltage range is from 4.5 V to 26 V.
- What is the maximum output current of the DRV595DAPR?
The maximum output current is ±4 A.
- What are the operating temperature ranges for the DRV595DAPR?
The operating temperature range is from -40°C to 85°C, and the junction temperature range is from -40°C to 150°C.
- How does the DRV595DAPR protect against faults?
The DRV595DAPR includes integrated self-protection circuits for over-voltage, under-voltage, over-temperature, and short circuit protection. Faults are reported through the FAULTZ pin.
- What is the purpose of the Master/Slave synchronization feature?
The Master/Slave synchronization feature allows for easy integration and synchronization of multiple devices in complex systems.
- What is the typical oscillator frequency range of the DRV595DAPR?
The oscillator frequency range is from 376 kHz to 1278 kHz.
- How does the DRV595DAPR reduce power dissipation?
The DRV595DAPR reduces power dissipation through its low output stage on-resistance and high-efficiency operation.
- What package type is the DRV595DAPR available in?
The DRV595DAPR is available in an HTSSOP (DAP)-32 package.
- What is the power supply ripple rejection (PSRR) of the DRV595DAPR?
The PSRR is -70 dB.
- How does the DRV595DAPR handle thermal protection?
The device includes thermal protection that prevents damage when the internal die temperature exceeds 150°C. This is a latched fault reported on the FAULTZ terminal.
