Overview
The L9338, produced by STMicroelectronics, is a monolithic integrated quad low-side driver realized in advanced Multipower-BCD technology. This device is designed to drive lines, lamps, or relays in automotive and industrial applications. It offers a wide range of features and protections, making it a robust and reliable choice for various power management needs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VS) | -24 to 45 | V |
| Operating Supply Voltage Range | 4.5 to 32 | V |
| Input Voltage Range (VIN) | -24 to 45 | V |
| Output Voltage Range (VOUT) | -0.3 to 45 | V |
| Quiescent Current (IQ) | < 2 | μA |
| Output On-Resistor (RDSon) | 1.5 Ω at 25 °C and VS > 6 V | Ω |
| Junction Temperature (Tj) | -40 to 150 | °C |
| Thermal Resistance Junction-to-Pin (Rth j-pins) | 14 (Typ.) | °C/W |
Key Features
- Wide input voltage range from -24 V up to +45 V
- Wide operating supply voltage range from 4.5 V up to 32 V
- Reverse biasing protected (VS = -24 V)
- Very low standby quiescent current < 2 μA
- Programmable signal transfer polarity
- TTL and CMOS compatible inputs
- Defined output off state for open inputs
- Three open drain DMOS outputs with RDSon = 1.5 Ω at 25 °C and VS > 6 V
- Output current limitation
- Controlled output slope for low EMI
- Over temperature shut-down
- Integrated output clamping for fast inductive recirculation VFB > 45 V
- Status monitoring for over temperature, disconnected ground or supply voltage
- ESD protection: all pins guaranteed up to 2 kV human body mode
Applications
The L9338 is suitable for various applications in automotive and industrial sectors, including:
- Driving lines, lamps, or relays
- Power management in automotive systems
- Industrial control systems
- Relay and solenoid control
- LED lighting control
Q & A
- What is the L9338 used for?
The L9338 is used to drive lines, lamps, or relays in automotive and industrial applications.
- What is the input voltage range of the L9338?
The input voltage range of the L9338 is from -24 V to +45 V.
- What is the quiescent current of the L9338 in standby mode?
The quiescent current is less than 2 μA in standby mode.
- Is the L9338 protected against over temperature?
- Can the L9338 be driven directly by a microcontroller?
- What is the RDSon of the L9338's DMOS outputs?
The RDSon of the L9338's DMOS outputs is 1.5 Ω at 25 °C and VS > 6 V.
- Does the L9338 have ESD protection?
- What is the junction temperature range of the L9338?
The junction temperature range of the L9338 is from -40 °C to 150 °C.
- Can the signal transfer polarity of the L9338 be programmed?
- What is the thermal resistance junction-to-pin of the L9338?
The thermal resistance junction-to-pin of the L9338 is typically 14 °C/W.
