Overview
The L9733CNTR, produced by STMicroelectronics, is a highly flexible and robust automotive octal self-configuring low/high side driver. This device is designed to meet the stringent requirements of automotive applications, ensuring reliability and performance across a wide range of operating conditions. The L9733CNTR features eight independently self-configuring drivers that can be used as either low-side or high-side drives, making it versatile for various load configurations. It is AEC-Q100 (Rev. F) qualified, ensuring compliance with automotive industry standards.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (Vdd) | 4.5 to 5.5 | V |
| Battery Supply Voltage (Vbat) - Operative Range | 4.5 to 18 | V |
| Battery Supply Voltage (Vbat) - Jump Start Condition | 18 to 27 | V |
| Thermal Junction Temperature Range (Tj) | -40 to 150 | °C |
| Maximum Output Current (IOx) | 800 | mA |
| On-Resistance (RON) at Tj = 25 °C | 0.7 | Ω |
| On-Resistance (RON) at Tj = 125 °C | 1.2 | Ω |
| Output Voltage Clamping (Low-Side) | min. 40 V | V |
| Output Voltage Clamping (High-Side) | max. -14 V | V |
| Package | PowerSSO-28 (Exposed pad) | |
| Packing | Tape and reel |
Key Features
- AEC-Q100 (Rev. F) qualified for automotive applications.
- Eight independently self-configuring low/high side drivers.
- Supply voltage range from 4.5 V to 5.5 V.
- Minimum current limit of each output: 1 A.
- Output voltage clamping: min. 40 V in low-side configuration, max. -14 V in high-side configuration.
- SPI interface for output control and diagnosis data communication.
- Additional PWM inputs for outputs 6, 7, and 8.
- Independent thermal shutdown for all outputs with open load, short to GND, short to Vb, and overcurrent diagnostics.
- Internal charge pump without the need for an external capacitor.
- Controlled SR for reduced EMC.
Applications
The L9733CNTR is designed for use in various automotive applications, including but not limited to:
- Automotive body control modules.
- Lighting systems.
- Power window and door lock systems.
- Wiper and washer systems.
- Other automotive load control applications requiring high reliability and flexibility.
Q & A
- What is the operating voltage range of the L9733CNTR?
The L9733CNTR operates with a supply voltage range from 4.5 V to 5.5 V and a battery supply voltage range from 4.5 V to 18 V.
- How many output drivers does the L9733CNTR have?
The L9733CNTR features eight independently self-configuring low/high side drivers.
- What is the maximum output current per driver?
The maximum output current per driver is 800 mA.
- Does the L9733CNTR support PWM control?
- What is the thermal junction temperature range of the L9733CNTR?
The thermal junction temperature range is -40 °C to 150 °C.
- Is the L9733CNTR AEC-Q100 qualified?
- What type of interface does the L9733CNTR use for output control and diagnosis?
The L9733CNTR uses an SPI interface for output control and diagnosis data communication.
- Does the L9733CNTR have built-in thermal shutdown protection?
- What is the package type of the L9733CNTR?
The L9733CNTR is packaged in PowerSSO-28 (Exposed pad) and is available in tape and reel packing.
- Can multiple L9733CNTR devices be daisy-chained?
