Overview
The L9916BDTR is a smart alternator voltage regulator produced by STMicroelectronics, designed specifically for automotive applications in both 12 V and 24 V systems. This integrated circuit is AEC-Q100 qualified, ensuring it meets the stringent standards required for automotive electronics. The L9916BDTR features a fully monolithic design and includes high side field driver capabilities, making it suitable for a wide range of charging applications. It also incorporates programmable parameters through OTP (One-Time Programmable) cells, enhancing its versatility and adaptability in various automotive systems.
Key Specifications
| Category | Specification |
|---|---|
| Manufacturer | STMicroelectronics |
| Series | Automotive, AEC-Q100 |
| Package | Bare die, Tape & Reel (TR) |
| RoHS | Lead free / RoHS compliant |
| Part Status | Active |
| Applications | Automotive |
| Mounting Type | Surface Mount |
| Package / Case | Die |
| Voltage - Supply | 6V ~ 36V |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Thermal Shutdown | Yes |
| Field Short Circuit Protection | Yes |
Key Features
- AEC-Q100 qualified for automotive reliability
- Fully monolithic design for compact integration
- High side field driver for efficient alternator control
- Self-start function for seamless operation
- Regulated voltage thermally compensated for stability
- Configurable parameters through OTP cells for flexibility
- Lamp driver with wake-up and warning detection capabilities
- Load response control (LRC) for dynamic load management
- Thermal shutdown and field short circuit protection for enhanced safety
- Protected high side relay driver
Applications
The L9916BDTR is primarily designed for automotive applications, particularly in the regulation of alternator voltage in both 12 V and 24 V systems. It is suitable for use in multi-phase current alternators and is intended to maintain the battery voltage at its nominal value, regardless of vehicle demand. This IC is also useful in systems requiring load response control and various protection mechanisms such as thermal shutdown and field short circuit protection.
Q & A
- What is the primary function of the L9916BDTR? The L9916BDTR is a smart alternator voltage regulator designed for automotive applications in both 12 V and 24 V systems.
- What are the key features of the L9916BDTR? Key features include AEC-Q100 qualification, high side field driver, self-start function, regulated voltage thermally compensated, and configurable parameters through OTP cells.
- What is the operating voltage range of the L9916BDTR? The operating voltage range is 6V ~ 36V.
- What is the operating temperature range of the L9916BDTR? The operating temperature range is -40°C ~ 150°C (TJ).
- Does the L9916BDTR have built-in protection mechanisms? Yes, it includes thermal shutdown and field short circuit protection.
- What type of package is the L9916BDTR available in? It is available in a bare die package with Tape & Reel (TR) packing.
- Is the L9916BDTR RoHS compliant? Yes, it is lead free and RoHS compliant.
- What is the purpose of the OTP cells in the L9916BDTR? The OTP cells allow for the programmability of various parameters, making the IC adaptable to different charging applications.
- What is the load response control (LRC) feature in the L9916BDTR? The LRC feature helps in managing dynamic load variations by adjusting the field duty cycle.
- Can the L9916BDTR be used in multi-phase current alternators? Yes, it is suitable for use in multi-phase current alternators.
