Overview
The RBO08-40G, produced by STMicroelectronics, is a monolithic component designed to provide comprehensive protection against battery reversal and overvoltages in automotive applications. This device integrates multiple functions, including a diode for reversed battery protection, Transil functions for overvoltage protection, and clamping against negative surges. It is compliant with the ISO/DTR 7637 standard for pulses 1, 2, 3a, and 3b, ensuring it meets stringent industry standards.
Key Specifications
| Parameter | Value | Unit | Min. | Typ. | Max. |
|---|---|---|---|---|---|
| DC Forward Current (Diode D1) | 8 | A | - | - | - |
| Non-Repetitive Surge Peak Forward Current (Diode D1) | 80 | A | - | - | - |
| Peak Pulse Power (Transil T1) | 600 | W | - | - | - |
| Peak Pulse Power (Transil T2) | 1500 | W | - | - | - |
| Clamping Voltage (Transil T1/T2) | ±40 | V | - | - | - |
| Breakdown Voltage (Transil T1/T2) | 24 | V | - | - | - |
| Forward Voltage Drop (Diode D1 at IF = 8A) | 1.5 | V | - | - | 1.7 |
| Operating Temperature Range | -40 to +85 | °C | - | - | - |
| Maximum Junction Temperature | 150 | °C | - | - | - |
| Package Type | D2PAK (TO-263) | - | - | - | - |
Key Features
- Designed to protect against battery reversal and overvoltages in automotive applications.
- Monolithic structure for greater reliability.
- Includes a diode (D1) for reversed battery protection, and Transil functions (T1 and T2) for overvoltage protection.
- Clamping voltage of ±40V max and breakdown voltage of 24V min.
- Compliant with ISO/DTR 7637 standard for pulses 1, 2, 3a, and 3b.
- Suitable for use in an autoprotected alternator environment.
- AEC-Q100 qualified for automotive use.
Applications
- Automotive electronic modules to protect against battery reversal and load dump overvoltages.
- Motor driver applications to safeguard against positive and negative surges.
- General purpose protection in automotive systems, including ignition, relay, and inductive overvoltage protection.
Q & A
- What is the primary function of the RBO08-40G?
The RBO08-40G is designed to protect against battery reversal and overvoltages in automotive applications.
- What types of protection does the RBO08-40G offer?
The device offers protection against reversed battery operation, negative overvoltages, and positive surge protection through its Transil functions.
- What is the maximum clamping voltage of the RBO08-40G?
The maximum clamping voltage is ±40V.
- What is the breakdown voltage of the Transil functions in the RBO08-40G?
The breakdown voltage is 24V min.
- Is the RBO08-40G compliant with any industry standards?
Yes, it is compliant with the ISO/DTR 7637 standard for pulses 1, 2, 3a, and 3b.
- What is the operating temperature range of the RBO08-40G?
The operating temperature range is -40°C to +85°C.
- What is the maximum junction temperature of the RBO08-40G?
The maximum junction temperature is 150°C.
- What package types are available for the RBO08-40G?
The device is available in D2PAK (TO-263) and TO220-AB packages.
- Is the RBO08-40G suitable for automotive use?
Yes, it is AEC-Q100 qualified for automotive applications.
- What are some common applications of the RBO08-40G?
Common applications include automotive electronic modules, motor driver circuits, and general purpose protection in automotive systems.
