Overview
The L9733XP, produced by STMicroelectronics, is a highly flexible and versatile octal self-configuring low/high side driver. This monolithic device is designed for medium-current output driving and features eight independently configurable drivers that can be used as either low or high-side drives in any combination. The L9733XP is AEC-Q100 (Rev. F) qualified, making it suitable for automotive applications. It operates over a wide temperature range from -40°C to 150°C and supports various operating conditions, including jump-start and low-battery scenarios.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (Vdd) | 4.5 to 5.5 | V |
| Battery Supply Voltage (Vbat) | 4.5 to 18 | V |
| Thermal Junction Temperature Range (Tj) | -40 to 150 | °C |
| Output Current (IOx) | max 800 | mA |
| On-Resistance (RON) | 0.7 Ω @ Tj = 25 °C, 1.2 Ω @ Tj = 125 °C | Ω |
| Output Voltage Clamping (Low-Side) | min 40 V | V |
| Output Voltage Clamping (High-Side) | max -14 V | V |
| Package | PowerSSO-28 (Exposed pad) |
Key Features
- AEC-Q100 (Rev. F) qualified for automotive applications.
- Eight independently self-configuring low/high side drivers.
- Internal charge pump without the need for an external capacitor.
- SPI interface for output control and diagnosis data communication.
- Additional PWM inputs for outputs 6, 7, and 8.
- Independent thermal shutdown for all outputs.
- Open load, short to GND, short to Vb, and overcurrent diagnostics in latched or unlatched mode for each channel.
- Controlled SR for reduced EMC.
- Self-configuration allows for flexible use of outputs without additional inputs.
Applications
The L9733XP is primarily designed for automotive applications, particularly in smart vehicle systems with zonal architectures. It is suitable for DC motor control and other medium-current driving needs in vehicles. The device's robustness and flexibility make it an ideal choice for various automotive functions.
Q & A
- What is the operating temperature range of the L9733XP?
The L9733XP operates over a temperature range from -40°C to 150°C.
- What is the supply voltage range for the L9733XP?
The supply voltage (Vdd) ranges from 4.5 V to 5.5 V.
- What is the maximum output current per channel?
The maximum output current (IOx) is 800 mA.
- Does the L9733XP support PWM control?
- What type of interface does the L9733XP use for control and diagnosis?
The L9733XP uses an SPI interface for output control and diagnosis data communication.
- Is the L9733XP qualified for automotive use?
- What kind of fault diagnostics does the L9733XP support?
The device supports open load, short to GND, short to Vb, and overcurrent diagnostics in latched or unlatched mode for each channel.
- Does the L9733XP have thermal shutdown protection?
- Can multiple L9733XP devices be daisy-chained?
- What is the package type of the L9733XP?
The L9733XP is available in PowerSSO-28 (Exposed pad) packages.
