Overview
The L9959T-TR-D, produced by STMicroelectronics, is a single and dual integrated PMOS high-side H-bridge designed for driving resistive and inductive loads. This component features output current direction and supervising functions, making it versatile for various automotive and industrial applications. The L9959T-TR-D is housed in a PowerSSO36 package, which includes two H-Bridges that can operate in parallel through independent input driving commands, as well as a single full H-Bridge. This design enhances PCB footprint efficiency across different target applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package | PowerSSO36 |
| Supply Voltage (VS) | 5 V to 28 V |
| VDD Supply Voltage | 4.5 V to 5.5 V |
| Continuous Load Current | > 3 A |
| Full Path RDSON | < 540 mΩ |
| Output Switching Frequency | Up to 11 kHz |
| Operating Temperature | -40°C to 150°C |
| ECU Internal Pins Voltage Tolerance | Up to 18 V |
| RoHS Compliance | Ecopack2 |
| Packing Type | Tape & Reel |
Key Features
- Full path RDSON less than 540 mΩ
- Continuous load current greater than 3 A
- Operating battery supply voltage from 5 V to 28 V
- Operating VDD supply voltage from 4.5 V to 5.5 V
- All ECU internal pins can withstand up to 18 V
- Output switching frequency up to 11 kHz
- Monitoring of VDD supply voltage
- SPI programmable output current limitation from 5 A to 8.6 A (in 3 steps)
- Over temperature and short circuit protection
- Full diagnosis capability
- Fast switch-off open-drain input/output
- Current-monitoring with current feedback output signal CF
- SPI-interface for configuration and diagnosis
- Error history in second diagnosis register
- Two independent enable pins: "/ABE" and "DIS"
- Control of power stages by SPI or two input signals, PWM and DIR (configurable via SPI)
- Logic levels 5 V compatible
- Conformity to improved EMC requirements due to smart H-bridge switching
Applications
The L9959T-TR-D is designed for a variety of applications, particularly in the automotive domain. It is suitable for:
- Throttle control actuators
- Exhaust gas recirculation control valves
- Driving DC and Stepper motors
Its versatility and robust design make it a reliable choice for other industrial and automotive applications requiring precise control over resistive and inductive loads.
Q & A
- What is the L9959T-TR-D used for?
The L9959T-TR-D is used for driving resistive and inductive loads, particularly in automotive and industrial applications such as throttle control actuators, exhaust gas recirculation control valves, and driving DC and Stepper motors.
- What are the key package options for the L9959 series?
The L9959 series is available in PowerSSO24 and PowerSSO36 packages. The PowerSSO24 houses one full H-Bridge, while the PowerSSO36 houses two H-Bridges that can work in parallel and one full H-Bridge.
- What is the operating supply voltage range for the L9959T-TR-D?
The operating supply voltage range for the L9959T-TR-D is from 5 V to 28 V.
- What is the maximum continuous load current of the L9959T-TR-D?
The maximum continuous load current of the L9959T-TR-D is greater than 3 A.
- Does the L9959T-TR-D have over-temperature protection?
Yes, the L9959T-TR-D includes over-temperature and short circuit protection.
- How can the output current limitation be configured on the L9959T-TR-D?
The output current limitation can be configured via SPI, allowing for programmable output current limitation from 5 A to 8.6 A in three steps.
- What is the operating temperature range for the L9959T-TR-D?
The operating temperature range for the L9959T-TR-D is from -40°C to 150°C.
- Is the L9959T-TR-D RoHS compliant?
Yes, the L9959T-TR-D is RoHS compliant with an Ecopack2 rating.
- How is the power stage controlled in the L9959T-TR-D?
The power stage can be controlled by SPI or two input signals, PWM and DIR, which are configurable via SPI.
- Does the L9959T-TR-D support current monitoring?
Yes, the L9959T-TR-D supports current-monitoring with a current feedback output signal CF.
