R5114x Series AEC-Q100 Compliant 42 V System Power Supply with Ultra-low Power Watchdog Timer for Automotive Application No. EC-408-200326 OVERVIEW The R5114x is a system power supply IC with an ultra-low power watchdog timer (VR + VD + WDT) that has an input voltage range of 3.5 V to 42 V. KEY BENEFITS Consists of a voltage regulator, a voltage detector and a watchdog timer that provides a system power supply, a power supply voltage monitoring and a system malfunction monitoring. (1) Equipped with an auto monitoring stop to cease the watchdog timer monitoring at light load. KEY SPECIFICATIONS TYPICAL APPLICATION VIN Microprocessor Input Voltage Range (Absolute Maximum Rating): VDD VOUT VCC COUT R5114xxx2C R1 3.5 V to 42.0 V (50.0 V) CIN CE CE Control Supply Current: Typ. 8.5 A DOUT RESET GND WDO CD Protections: Thermal Shutdown, Output Current Limiting, CD TW SCK I/O CTW I/O WADJ INH Short-circuit Current Limiting R2 Voltage Regulator (VR) Section Output Voltage Range: 3.3 V to 5.0 V C , C : 0.1 F, Ceramic capacitor IN OUT Output Voltage Accuracy: 1.6% (40C Ta 125C) C : Capacitor for setting watchdog timer TW Output Current: 250 mA C : Capacitor for setting reset delay time D Voltage Detector (VD) Section SELECTION GUIDE Detection Voltage Threshold Range: 2.5 V to 4.8 V Product Name Package Quantity per Reel Detection Voltage Accuracy: 1.6% (40C Ta 125C) R5114Sxx1-E2- E HSOP-8E 1,000 pcs Watchdog Timer (WDT) Section R5114Sxx2-E2- E HSOP-18 1,000 pcs R5114Lxx2-TR- E HQFN0808-28 2,000 pcs Watchdog Timer Accuracy: 17.8% to 21.7% (40C Ta 125C) xx: Set Output Voltage (V ) and Set Detection Voltage (-V ) SET DSET Assign a code starting from 01 to designate a desired combination of PACKAGES V and V . Refer to Product-specific Electrical Characteristics for SET DSET detailed information. : Other Functions Package WADJ WDO Pin RESETB/DOUT Pin A HSOP-8E Internally Fixed No RESETB B HSOP-8E No No RESETB HSOP-18 C Adjustable Yes DOUT HQFN0808-28 HSOP-18 HSOP-8E 5.2 x 6.2 x 1.6* mm 5.2 x 6.2 x 1.6* mm : Select the quality class *maximum dimension *maximum dimension Operating Temp. Range Test Temp. A 40C to 125C 25C, High K 40C to 125C Low, 25C, High APPLICATIONS Microprocessor-based Electronic Equipment for Automotive Applications HQFN0808-28 Electric Vehicle (EV) Inverters and Charge 8.8 x 8.8 x 0.95 mm Controllers (1) R5114Sxx1A, R5114xxx2C only 1 R5114x No. EC-408-200326 SELECTION GUIDE A set detection voltage, a package type, a WADJ function, a WDO pin and a RESETB/DOUT pin are user- selectable options. Selection Guide Product Name Package Quantity per Reel Pb Free Halogen Free R5114Sxx1-E2- E HSOP-8E 1,000 pcs Yes Yes HSOP-18 1,000 pcs Yes Yes R5114Sxx2-E2- E R5114Lxx2-TR- E HQFN0808-28 2,000 pcs Yes Yes xx: Set Output Voltage (V ) and Set Detection Voltage (-V ) SET DSET Assign a code starting from 01 to designate a desired combination of V and -V . SET DSET Refer to Product-specific Electrical Characteristics for detailed information. : Other Functions Package WDT Type WADJ Function WDO Pin RESETB/DOUT Pin A HSOP-8E Timeout Internally Fixed No RESETB B HSOP-8E Timeout No No RESETB HSOP-18 C Timeout Adjustable Yes DOUT HQFN0808-28 : Select the quality class Operating Temp. Range Test Temp. A 40C to 125C 25C, High K 40C to 125C Low, 25C, High 2