Overview
The L9960T-TR is an automotive-grade, integrated H-Bridge motor driver IC produced by STMicroelectronics. This device is designed for driving resistive and inductive loads in various automotive applications. It is AEC-Q100 qualified, ensuring it meets the stringent reliability and performance standards required for automotive use. The L9960T-TR features a flexible driving strategy through configurable PWM/DIR pins, making it versatile for different motor control scenarios.
Key Specifications
| Parameter | 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 |
| Current Limitation | SPI-adjustable in four steps |
| Output Stage Current Limitation | Dependent on temperature |
| Slew Rate Control | Programmable voltage and current slew rate control |
| Short Circuit and Thermal Protection | Programmable thermal warning and shutdown thresholds |
| Open Load Diagnosis | In ON condition |
| I/O Pin Voltage Tolerance | Up to 19 V |
| Package Type | PSSO36 |
| RoHS Compliance | Yes |
Key Features
- Flexible driving strategy via configurable PWM/DIR pins (IN1/IN2)
- Built-in charge pump supporting 100% duty cycle
- Monitoring of VDD5 supply voltage with bidirectional switch-off pin
- SPI interface for configuration and diagnosis
- Two independent enable/disable pins (NDIS and DIS) and SOPC (Switch-off Path Check)
- Spread Spectrum function for EMI reduction
- Programmable voltage and current slew rate control
- Short circuit and programmable thermal warning and shutdown thresholds
- Open Load diagnosis in ON condition
Applications
The L9960T-TR 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 L9960T-TR used for?
The L9960T-TR is used as an integrated H-Bridge motor driver for resistive and inductive loads in automotive applications. - What are the operating voltage ranges for the L9960T-TR?
The operating battery supply voltage is from 4.5 V to 28 V, and the VDD5 supply voltage is from 4.5 V to 5.5 V. - Is the L9960T-TR AEC-Q100 qualified?
Yes, the L9960T-TR is AEC-Q100 qualified. - What is the maximum RDSon value for the L9960T-TR?
The RDSon is less than 400 mΩ at Tj = 150° C. - Does the L9960T-TR support SPI interface?
Yes, it supports an SPI interface for configuration and diagnosis. - What is the package type of the L9960T-TR?
The package type is PSSO36. - Is the L9960T-TR RoHS compliant?
Yes, it is RoHS compliant. - What are some of the key protection features of the L9960T-TR?
It includes short circuit protection, programmable thermal warning and shutdown thresholds, and open load diagnosis. - Can the L9960T-TR handle high-frequency switching?
Yes, it can handle input switching frequencies up to 20 kHz. - How can the current limitation be adjusted in the L9960T-TR?
The current limitation can be adjusted via SPI in four steps. - What is the purpose of the Spread Spectrum function in the L9960T-TR?
The Spread Spectrum function is used for EMI reduction.
