Overview
The RBO40-40G is a monolithic component designed by STMicroelectronics to provide comprehensive protection against battery reversal and load dump overvoltages, particularly in automotive applications. This device integrates multiple functions into a single package, making it a robust solution for safeguarding sensitive semiconductor components in car electronic modules.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Style | TO-263-3 (D2PAK) | - |
| Mounting Method | Surface Mount | - |
| Non-repetitive Surge Peak Forward Current (Diode D1) | 120 | A |
| DC Forward Current (Diode D1) | 40 | A |
| Peak Load Dump Voltage | 80 | V |
| Peak Pulse Power (Transil T1) | 1500 | W |
| Storage and Operating Junction Temperature Range | -40 to +150 | °C |
| Maximum Lead Temperature for Soldering | 260 | °C |
| Breakdown Voltage (Min) | 24 | V |
| Clamping Voltage (Max) | ±40 | V |
Key Features
- Protection against 'load dump' pulse
- 40 A diode to guard against battery reversal
- Monolithic structure for greater reliability
- Breakdown voltage: 24 V min
- Clamping voltage: ± 40 V max
- Compliant with ISO / DTR 7637
- Integrated functions: reversed battery protection (D1), clamping against negative overvoltages (T1), and Transil function against 'load dump' effect (T2)
Applications
The RBO40-40G is primarily designed for automotive applications to protect sensitive semiconductor components in car electronic modules. It prevents overvoltages generated by the module from affecting the car supply network and protects against both battery reversal and load dump overvoltages.
Specific applications include:
- Protection in motor drive circuits
- Safeguarding against positive and negative surges in automotive systems
- Ensuring the integrity of car supply networks
Q & A
- What is the primary function of the RBO40-40G?
The RBO40-40G is designed to protect against battery reversal and load dump overvoltages in automotive applications.
- What package style does the RBO40-40G come in?
The RBO40-40G comes in a TO-263-3 (D2PAK) package.
- What is the maximum DC forward current for Diode D1?
The maximum DC forward current for Diode D1 is 40 A.
- What is the peak load dump voltage the RBO40-40G can handle?
The RBO40-40G can handle a peak load dump voltage of 80 V.
- Is the RBO40-40G compliant with any specific standards?
Yes, the RBO40-40G is compliant with ISO / DTR 7637.
- What are the integrated functions of the RBO40-40G?
The RBO40-40G integrates reversed battery protection (D1), clamping against negative overvoltages (T1), and Transil function against 'load dump' effect (T2).
- What is the storage and operating junction temperature range for the RBO40-40G?
The storage and operating junction temperature range is -40 to +150 °C.
- What is the maximum lead temperature for soldering?
The maximum lead temperature for soldering is 260 °C.
- What are some common applications of the RBO40-40G?
Common applications include protection in motor drive circuits and safeguarding against positive and negative surges in automotive systems.
- How does the RBO40-40G protect car supply networks?
The RBO40-40G prevents overvoltages generated by the module from affecting the car supply network.
