The NCV7705/NCV7706 is a powerful Driver−IC for automotive
body control systems. The IC is designed to control several loads in
the front door of a vehicle. The monolithic IC is able to control mirror
functions like mirror positioning, heating and folding. In addition,
NCV7706 includes the electro−chromic mirror feature. The device
features four high−side outputs to drive LEDs or incandescent bulbs
(up to 5/10 W). To allow maximum flexibility, all lighting outputs can
be PWM controlled thru PWM inputs (external signal source) or by an
internal programmable PWM generator unit. The
NCV7705/NCV7706 is controlled thru a 24 bit SPI interface with
in−frame response.

Features
• Operating Range from 5.5 V to 28 V
• Four High−Side and Four Low−Side Drivers Connected as
Half−Bridges
♦ 2x Half−bridges Iload = 0.75 A; RDS(on) = 1.6  @ 25°C
♦ 2x Half−Bridges Iload = 3 A; RDS(on) = 300 m @ 25°C
• Four High−Side Lamp Drivers
♦ 2x LED; Iload = 0.3 A; RDS(on) = 1.4  @ 25°C
♦ 1x 10 W; Configurable as LED Driver; Iload = 2.5 A;
RDS(on) = 300 m @ 25°C
♦ 1x 5 W; Configurable as LED Driver; Iload = 1.25 A;
RDS(on) = 600 m @ 25°C
• 1x High−Side Driver for Mirror Heating; Iload = 6 A;
RDS(on) = 100 m @ 25°C
• Electro Chromic Mirror Control (NCV7706 Only)
♦ 1x 6−Bit Selectable Output Voltage Controller
♦ 1x LS for EC Control; Iload = 0.75 A; RDS(on) = 1.6  @ 25°C
• Independent PWM Functionality for All Outputs
• Integrated Programmable PWM Generator Unit for All Lamp Driver
Outputs
♦ 7−bit / 10−bit Selectable Duty−cycle Setting Precision
• Programmable Soft−start Function to Drive Loads with Higher
Inrush Currents as Current Limitation Value
• Multiplex Current Sense Analog Output for Advanced Load
Monitoring
• Very Low Current Consumption in Standby Mode
• Charge Pump Output to Control an External Reverse Polarity
Protection MOSFET
• 24−Bit SPI Interface for Output Control and Diagnostic
• Protection Against Short−circuit, Overvoltage and
Over−temperature
• Downwards Pin−to−Pin and SPI Registers Compatible
with NCV7707
• AEC−Q100 Qualified and PPAP Compliant
• SSOP36−EP Power Package
• This is a Pb−Free Device

Typical Applications
• De−centralized Door Electronic Systems
• Body Control Units (BCUs)