Overview
The L9960TR, produced by STMicroelectronics, is an integrated H-Bridge driver designed for automotive applications. It is AEC-Q100 qualified, ensuring it meets the stringent requirements of the automotive industry. This device is capable of driving both resistive and inductive loads, making it versatile for various automotive control systems. The L9960TR features a flexible driving strategy through configurable PWM/DIR (IN1/IN2) pins and includes an integrated Serial Peripheral Interface (SPI) for configuration and diagnostics.
Key Specifications
| Specification | Value |
|---|---|
| Operating Battery Supply Voltage | 4.5 V to 28 V |
| Operating VDD5 Supply Voltage | 4.5 V to 5.5 V |
| Input Switching Frequency | Up to 20 kHz |
| RDSon (full path at Tj = 150° C) | < 400 mΩ |
| Logic Levels Compatibility | 3.3 V and 5 V |
| Package Type | PowerSSO-36 |
| Number of Outputs | 2 |
| Output Voltage | Up to 40 V |
Key Features
- AEC-Q100 qualified for automotive applications.
- Flexible driving strategy via configurable PWM/DIR (IN1/IN2) pins.
- Built-in charge pump supporting 100% duty cycle.
- Current limitation SPI-adjustable in four steps.
- Output stage current limitation with dependence on temperature.
- Programmable voltage and current slew rate control.
- Short circuit and programmable thermal warning and shutdown thresholds.
- Open Load diagnosis in ON condition.
- SPI interface for configuration and diagnostics.
- Spread Spectrum function for EMI reduction.
- Two independent enable/disable pins (NDIS and DIS) and SOPC (Switch-off Path Check) available.
Applications
The L9960TR is designed for various automotive applications, including:
- Throttle control actuators.
- Exhaust gas recirculation control valves.
- General purpose DC motors such as turbo, flap control, and electric pumps.
Q & A
- What is the operating battery supply voltage range of the L9960TR?
The operating battery supply voltage range is from 4.5 V to 28 V.
- What is the maximum input switching frequency of the L9960TR?
The maximum input switching frequency is up to 20 kHz.
- Is the L9960TR AEC-Q100 qualified?
- What type of package does the L9960TR come in?
The L9960TR comes in a PowerSSO-36 package.
- What are the logic levels compatible with the L9960TR?
The L9960TR is compatible with 3.3 V and 5 V logic levels.
- Does the L9960TR have built-in diagnostic capabilities?
- How can the current limitation be adjusted in the L9960TR?
The current limitation can be adjusted via SPI in four steps.
- What is the purpose of the Spread Spectrum function in the L9960TR?
The Spread Spectrum function is used for EMI reduction.
- Can the L9960TR support 100% duty cycle operation?
- What types of motors can the L9960TR drive?
The L9960TR can drive general purpose DC motors, including those used in turbo, flap control, and electric pumps.
