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Alternator Regulator with LIN
The AR6000 is an integrated circuit intended to regulate the output voltage of an automotive alternator.
- It supplies a current via a high side MOSFET to the excitation coil of the alternator and provides an internal freewheeling diode.
- Keeps the battery at its nominal charge and delivers current to electrical devices within the vehicle.
- Interface for the standard LIN protocol (1.3 or 2.1) to allow an ECU to control the regulated voltage and the LRC rate among other parameters.
- The ECU also can read back information about the status of the regulator and the alternator via LIN.
- Can be programmed for most functions using OTP (Fuses) and fits a large number of alternators and applications
The AR6000 devices are configurable with One Time Programmable (OTP) options described in Table 55. For easy design-in, contact your local NXP sales representative to receive limited engineering samples in the TO-220 package configured to your system requirements.
Product Details
Features
Key Features
- High side field driver
- Internal freewheeling diode
- Up to 12.0 A rotor current (excitation coil)
- Load response control (LRC) and Return LRC
- Current limitation and overcurrent protection
- Thermal protection
- Thermal compensation
- LIN interface 1.3 or 2.1
- Setpoint voltage selectable from 10.6 to 16 V
- Advanced safety function to prevent battery overvoltage
- Accurate rotor current measurement, die temperature, alternator speed and battery voltage reported by LIN
- Alternator regulator device function
- Load Current 0.5 A IL
- Drain-to-source on resistance 800 mOhm RDS(ON)
- Load supply voltage min. 8 V, max. 16.5 V
- Supply voltage min. 8 V, max. 16.5 V
- Ambient operating temperature -40 to 125 °C, -40 to 150 °C
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2 documents
Compact List
Data Sheet (1)
Fact Sheet (1)
Design Resources