Overview
The L6376D, produced by STMicroelectronics, is a monolithic quad intelligent power switch designed in multipower BCD technology. This device is capable of driving inductive, capacitive, or resistive loads and is renowned for its robust electrical protections and diagnostic capabilities. It is particularly suited for general-purpose industrial applications due to its extensive use of electrical protections, making it inherently durable and reliable.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (Vs) | 9.5 to 35 | V |
| Output Current (Iout) | 0.5 A per channel | A |
| Internal Current Limit | 0.65 to 1.2 A | A |
| Under Voltage Lockout (UV) | 8.5 to 9.5 V | V |
| Overtemperature Protection (OVT) | 150 °C | °C |
| Thermal Shutdown | Yes | |
| Diagnostic Output | Open drain output | |
| Operating Temperature Range | -25 to 85 °C | °C |
| Package Type | PowerSO-20 |
Key Features
- Multipower BCD technology
- Four independent high-side outputs with built-in current limitation
- Non-dissipative over-current protection
- Thermal shutdown and under voltage lockout with hysteresis
- Diagnostic output for under voltage, over temperature, and over current conditions
- External asynchronous reset input
- Presettable delay for overcurrent conditions
- Immunity against burst transient (IEC 61000-4-4) and ESD protection (human body model ± 2 kV)
- Internal clamping diodes for demagnetization of inductive loads
Applications
The L6376D is suitable for a wide range of general-purpose industrial applications, including but not limited to:
- Driving inductive, capacitive, or resistive loads
- Automotive systems requiring robust power switching
- Industrial control systems and automation
- Power distribution and management in various industrial settings
Q & A
- What is the supply voltage range for the L6376D?
The supply voltage range for the L6376D is from 9.5 V to 35 V.
- How many independent outputs does the L6376D have?
The L6376D has four independent high-side outputs.
- What type of protection does the L6376D offer against overcurrent conditions?
The L6376D offers non-dissipative over-current protection.
- Does the L6376D have thermal shutdown protection?
Yes, the L6376D has thermal shutdown protection.
- How does the diagnostic output work on the L6376D?
The diagnostic output is an open drain output that reports the IC's working condition, indicating under voltage, over temperature, or over current conditions by going low.
- What is the purpose of the asynchronous reset input on the L6376D?
The asynchronous reset input allows for the simultaneous switching off of all outputs, independent of the input signals, and can be used by a CPU to keep outputs low after a fault condition.
- How are inductive loads demagnetized in the L6376D?
The L6376D has internal clamping diodes that can demagnetize inductive loads, with the option to use external demagnetization circuits if necessary.
- What is the operating temperature range of the L6376D?
The operating temperature range of the L6376D is from -25 °C to 85 °C.
- What package type is the L6376D available in?
The L6376D is available in the PowerSO-20 package type.
- Does the L6376D have ESD protection?
Yes, the L6376D has ESD protection according to the human body model ± 2 kV.
