Power ICs embedded with MOSFETs from NEC for controlling automotive lamps

NEC Electronics has released four new intelligent power devices (IPDs), the µPD166017, µPD166019, µPD166020 and µPD166021 for automotive lighting and other critical vehicle loads. Designed for on-board electronic control units (ECUs) typically used in head- and fog-light applications, the new devices, or power ICs, have an embedded power MOSFET for switching and a control chip for protection features in a single package. The IPDs enables better control of power consuming appliances in cars and other vehicles and improves ECUs' efficiency.

1. µPD166017 IPD reduces on-state resistance (6milli ohms) by 40 percent, compared to the already available µPD166007, µPD166009 and µPD166010 devices in the same TO-252 five-pin package. This low on-state resistance enables the IPD to drive high-current lamps and heating elements. When two conventional IPDs were previously needed for seat heaters, now only one µPD166017 device is needed. Choosing the µPD166017 IPD for diesel glow plugs also will allow the reduction of the IPD size by 50 percent compared to current IPD solutions in TO-263 packages. The low on-state resistance minimizes thermal issues, allowing system manufacturers worldwide to reduce ECU sizes. The µPD166017 IPD has an analog current sense coupled to a diagnostic function.

2. µPD166019 IPD reduced parasitic noise and is ideal for high-frequency applications
The µPD166019 IPD adopts a P-channel MOSFET as a high-side switch, allowing the removal of the internal charge pump required for a conventional N-channel MOSFET. It allows outstanding electromagnetic noise reduction which, combined to a low on-state resistance, makes this device the ideal candidate for fast-switching applications and motor drive applications.In addition, the µPD166019 IPD slew rate can be adjusted by an external resistor, and the device includes a diagnostic function.

3. µPD166020 and µPD166021 IPDs, optimized drive performance enabling lower pulse-width modulator (PWM) losses. Due to the rather unstable voltage supply delivered by car batteries, applications driven by PWM increase to improve the lifetime of light bulbs. µPD166020 and µPD166021 IPDs offer optimized on- and off-switching characteristics and reduced power losses and a reduction in overheating. Both devices also have an analog current sense and a diagnostic function.

IPDs are semiconductor switch replacement for mechanical switches and relays on ECUs.
Availability: Now in samples

More info at www.necel.com