Overview
The L9959S-TR-D, produced by STMicroelectronics, is a single integrated H-bridge designed for driving resistive and inductive loads. This component is part of the L9959 series, which includes single and dual H-bridge configurations. The L9959S-TR-D is housed in a PowerSSO24 package, which includes one full H-bridge, making it suitable for various applications requiring precise motor control and load management.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | PowerSSO24 |
| Operating Battery Supply Voltage | 5 V to 28 V |
| Operating VDD Supply Voltage | 4.5 V to 5.5 V |
| Continuous Load Current | > 3 A |
| Output Switching Frequency | Up to 11 kHz |
| Full Path RDSON | < 540 mΩ |
| SPI Programmable Output Current Limitation | 5 A to 8.6 A (in 3 steps) |
| Protection Features | Over temperature, short circuit, open load |
| Interface | SPI for configuration and diagnosis |
Key Features
- Full path RDSON less than 540 mΩ for efficient power management.
- Continuous load current greater than 3 A, suitable for high-current applications.
- Operating battery supply voltage range from 5 V to 28 V and VDD supply voltage range from 4.5 V to 5.5 V.
- Output switching frequency up to 11 kHz for high-speed applications.
- SPI programmable output current limitation from 5 A to 8.6 A in three steps.
- Comprehensive protection features including over temperature, short circuit, and open load protection.
- SPI interface for configuration and diagnosis, including error history and current feedback output signal.
- Fast switch-off open-drain input/output and two independent enable pins.
- Conformity to improved EMC requirements due to smart H-bridge switching.
Applications
The L9959S-TR-D is designed for a variety of applications, particularly in the automotive domain. Key applications include:
- Throttle control actuators.
- Exhaust gas recirculation control valves.
- Driving DC and stepper motors in general industrial and automotive contexts.
Q & A
- What is the package type of the L9959S-TR-D?
The L9959S-TR-D is housed in a PowerSSO24 package.
- What is the operating voltage range for the L9959S-TR-D?
The operating battery supply voltage range is from 5 V to 28 V, and the VDD supply voltage range is from 4.5 V to 5.5 V.
- What is the maximum continuous load current of the L9959S-TR-D?
The continuous load current is greater than 3 A.
- What is the output switching frequency of the L9959S-TR-D?
The output switching frequency is up to 11 kHz.
- Does the L9959S-TR-D have programmable output current limitation?
- What protection features does the L9959S-TR-D include?
The component includes over temperature, short circuit, and open load protection features.
- How is the L9959S-TR-D configured and diagnosed?
Configuration and diagnosis are done via an SPI interface.
- What are some typical applications of the L9959S-TR-D?
Typical applications include throttle control actuators, exhaust gas recirculation control valves, and driving DC and stepper motors.
- Does the L9959S-TR-D comply with EMC requirements?
- What is the logic level compatibility of the L9959S-TR-D?
The logic levels are 5 V compatible.
