NCV47822 Dual High Side Switch with Adjustable Current Limit and Diagnostic Features The NCV47822 dual channel High Side Switch (HSS) with 250 mA per channel is designed for use in harsh automotive environments. The www.onsemi.com device has a high peak input voltage tolerance and reverse input voltage, reverse bias, overcurrent and overtemperature protections. The MARKING integrated current sense feature (adjustable by resistor connected to DIAGRAM CSO pin for each channel) provides diagnosis and system protection 14 functionality. The CSO pin output current creates voltage drop across NCV4 TSSOP14 14 7822 CSO resistor which is proportional to output current of each channel. Exposed Pad ALYW CASE 948AW Extended diagnostic features in OFF state are also available and 1 controlled by dedicated input and output pins. 1 Features A = Assembly Location Output Current per Channel: up to 250 mA L = Wafer Lot Y = Year Two Independent Enable Inputs (3.3 V Logic Compatible) W = Work Week Adjustable Current Limits: up to 350 mA = PbFree Package Protection Features: (Note: Microdot may be in either location) Current Limitation Thermal Shutdown ORDERING INFORMATION Reverse Input Voltage and Reverse Bias Voltage See detailed ordering and shipping information in the package Diagnostic Features: dimensions section on page 13 of this data sheet. Short To Battery (STB) and Open Load (OL) in OFF State Internal Components for OFF State Diagnostics Open Collector Flag Output Two Output Voltage Monitoring Outputs (Analog) AECQ100 Grade 1 Qualified and PPAP Capable These Devices are PbFree, Halogen Free/BFR Free and are RoHS Compliant Typical Applications Audio and Infotainment System Active Safety System V Vout1 in Cin 1 F C Proportional Voltage to V * out1 out1 V out FB1 EN1 CSO1 1 F CCSO1 RCSO1 NCV47822 1 F Diagnostic Enable Input (Dual HSS) DE Error Flag Output (Open Collector) EF Diagnostic Channel Select Input CS Vout2 C out2 Proportional Voltage to V out2* V out FB2 EN2 CSO2 1 F C CSO2 RCSO2 GND 1 F * V and V are sensed V and V output voltages, respectively, via internal resistor dividers out FB1 out FB2 out1 out2 Figure 1. Application Schematic (See Application Section for More Details) Semiconductor Components Industries, LLC, 2016 1 Publication Order Number: May, 2016 Rev. 0 NCV47822/DNCV47822 IPU1 10 mA IPU1 ON V V in out1 I = I / RATIO* CSO1 out1 VOLTAGE VREF REFERENCE PASS DEVICE 1 V V REF OFF REF + R AND PD EN1 2.55 V CURRENT MIRROR 780 k EN1 EN1 ENABLE CSO1 SATURATION PROTECTION + THERMAL OC1 ON SHUTDOWN 0.95x PD1 ON VREF R PD11 500 k V out FB1 + STB1 OL1 OFF R PD12 100 k VREF OFF EN1 IPU1 ON RPD CS IPU2 ON EN2 780 k DE CS PD1 ON R PD2 ON PD DE DIAGNOSTIC 780 k CONTROL LOGIC EF OC1 ON OC2 ON STB1 OL1 OFF STB2 OL2 OFF I PU2 10 mA IPU2 ON V V in out2 I = I / RATIO* CSO2 out2 PASS DEVICE 2 V REF + AND R PD EN2 2.55 V CURRENT MIRROR 780 k EN2 ENABLE EN2 CSO2 SATURATION PROTECTION + THERMAL SHUTDOWN OC2 ON 0.95x PD2 ON VREF R PD21 500 k V out FB2 + STB2 OL2 OFF R PD22 100 k GND V REF OFF *) for current value of RATIO see into Electrical Characteristic Table Figure 2. Simplified Block Diagram www.onsemi.com 2