Overview
The L99H02XPTR, produced by STMicroelectronics, is a motor bridge driver specifically designed for automotive applications. It is engineered to drive 4 external N-channel MOS transistors in an H-bridge configuration, making it ideal for DC-motor driving. The device is AEC-Q100 qualified, ensuring it meets the stringent reliability and quality standards of the automotive industry.
The L99H02XPTR features a central 2-stage charge pump, supports 100% duty cycle, and operates with a supply voltage range of 6 V to 28 V. It also includes a free configurable current sense amplifier and an integrated SPI interface for control and diagnostic purposes. Additionally, it has an interface pin for the thermal sensors of the external MOSFETs, enhancing its thermal management capabilities.
Key Specifications
| Parameter | Description |
|---|---|
| Operating Supply Voltage | 6 V to 28 V |
| Package Type | PowerSSO-36 |
| Operating Temperature Range | -40 °C to 150 °C |
| Duty Cycle | 100% |
| PWM Frequency | Up to 30 kHz |
| Interface | SPI (Serial Peripheral Interface) |
| Current Sense Amplifier | Free configurable |
| Thermal Management | Sensing circuitry of external MOSFETs with embedded thermal sensors |
| Qualification | AEC-Q100 qualified |
Key Features
- AEC-Q100 qualified for automotive reliability
- Central 2-stage charge pump
- 100% duty cycle support
- Full RDSon down to 6 V (standard level threshold MOSFETs)
- Charge pump output available for driving an external reverse battery NMOSFET protection
- Charge pump current limited
- PWM operation up to 30 kHz
- SPI interface for control and diagnostic information
- Free configurable current sense amplifier
- Zero adjust for end of line trimming
- Power management: programmable free wheeling
- Sensing circuitry of external MOSFETs with embedded thermal sensors
Applications
- Wiper motors
- Power door motors
- Seat belt tensioners
- Seat positioning systems
- Valve tronic systems
- Park brake systems
- 2H motors in various automotive applications
Q & A
- What is the operating supply voltage range of the L99H02XPTR?
The operating supply voltage range is 6 V to 28 V.
- What type of package does the L99H02XPTR come in?
The L99H02XPTR comes in a PowerSSO-36 package.
- What is the operating temperature range of the L99H02XPTR?
The operating temperature range is -40 °C to 150 °C.
- Does the L99H02XPTR support 100% duty cycle?
Yes, it supports 100% duty cycle.
- What is the maximum PWM frequency supported by the L99H02XPTR?
The maximum PWM frequency supported is up to 30 kHz.
- What interface does the L99H02XPTR use for control and diagnostic purposes?
The L99H02XPTR uses an SPI (Serial Peripheral Interface) for control and diagnostic purposes.
- Is the current sense amplifier in the L99H02XPTR configurable?
Yes, the current sense amplifier is free configurable.
- Does the L99H02XPTR have built-in thermal management features?
Yes, it includes sensing circuitry of external MOSFETs with embedded thermal sensors.
- Is the L99H02XPTR qualified for automotive applications?
Yes, it is AEC-Q100 qualified.
- What are some common applications of the L99H02XPTR?
Common applications include wiper motors, power door motors, seat belt tensioners, seat positioning systems, valve tronic systems, park brake systems, and 2H motors.
