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L9947L from ST,ST Microelectronics

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L9947L

Manufacturer: ST

QUAD HALF-BRIDGE AND SINGLE HIGH-SIDE DRIVER

Partnumber Manufacturer Quantity Availability
L9947L ST 9850 In Stock

Description and Introduction

QUAD HALF-BRIDGE AND SINGLE HIGH-SIDE DRIVER Here are the factual details about part **L9947L** from the manufacturer **STMicroelectronics (ST)**:

### **Specifications:**
- **Manufacturer:** STMicroelectronics (ST)  
- **Part Number:** L9947L  
- **Type:** Automotive multi-channel power driver  
- **Operating Voltage Range:** 4.5V to 28V  
- **Output Current:** Up to 0.7A per channel (high-side)  
- **Number of Channels:** 8 (4 high-side, 4 low-side)  
- **Communication Interface:** SPI (Serial Peripheral Interface)  
- **Protection Features:**  
  - Overcurrent protection  
  - Overtemperature protection  
  - Short-circuit protection  
  - Undervoltage lockout (UVLO)  
- **Package:** PowerSSO-36  

### **Descriptions:**
- The **L9947L** is an automotive-grade power driver IC designed for controlling resistive, inductive, and capacitive loads.  
- It integrates high-side and low-side drivers with diagnostic feedback via SPI.  
- Suitable for automotive applications such as body control modules, lighting systems, and motor control.  

### **Features:**
- **8 independently controlled channels** (4 high-side, 4 low-side).  
- **SPI interface** for configuration and diagnostics.  
- **Low standby current consumption.**  
- **Integrated protection mechanisms** for robust operation.  
- **AEC-Q100 qualified** for automotive applications.  
- **Wide operating temperature range** (-40°C to +150°C).  

For more detailed information, refer to the official **STMicroelectronics datasheet**.

Application Scenarios & Design Considerations

QUAD HALF-BRIDGE AND SINGLE HIGH-SIDE DRIVER

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