S-19515AY1A-V9T1U4

S-19514/19515 Series www.ablic.com AUTOMOTIVE, 125°C OPERATION, 36 V INPUT, 250 mA, BUILT-IN WINDOW WATCHDOG TIMER VOLTAGE REGULATOR WITH RESET FUNCTION Rev.1.4_00 © ABLIC Inc., 2019-2021 The S-19514/19515 Series, developed by using high-withstand voltage CMOS technology, is a low dropout positive voltage regulator with the window watchdog timer and the reset function, which has high-withstand voltage. The monitoring time of watchdog timer can be adjusted by an external capacitor. Moreover, a voltage detection circuit which monitors the output voltage is also prepared. ABLIC Inc. offers a "thermal simulation service" which supports the thermal design in conditions when our power management ICs are in use by customers. Our thermal simulation service will contribute to reducing the risk in the thermal design at customers' development stage. ABLIC Inc. also offers FIT rate calculated based on actual customer usage conditions in order to support customer functional safety design. Contact our sales representatives for details. Caution This product can be used in vehicle equipment and in-vehicle equipment. Before using the product for these purposes, it is imperative to contact our sales representatives.  Features Regulator block • Output voltage: • Input voltage: • Output voltage accuracy: • Dropout voltage: • Output current: • Input and output capacitors: • Built-in overcurrent protection circuit: • Built-in thermal shutdown circuit: 3.3 V, 5.0 V 3.0 V to 36.0 V ±2.0% (Tj = −40°C to +150°C) 100 mV typ. (5.0 V output product, IOUT = 100 mA) Possible to output 250 mA (VIN = VOUT(S) + 1.0 V)*1 A ceramic capacitor of 1.0 μF or more can be used. Limits overcurrent of output transistor. Detection temperature 170°C typ. Detector block • Detection voltage: • Detection voltage accuracy: • Hysteresis width: • Release delay time is adjustable*2: 2.6 V to 4.7 V, selectable in 0.1 V step ±2.0% (Tj = −40°C to +150°C) 0.12 V min. 20 ms typ. (CDLY = 10 nF) Watchdog timer block • Watchdog activation current is adjustable: 1.5 mA typ. (WADJ pin is open) 46 ms typ. (CDLY = 10 nF) • Watchdog trigger time is adjustable*2: S-19514 Series (Product with WEN pin (Output: WO / RO pin)) • Product type is selectable: S-19515 Series (Product without WEN pin (Output: WO pin and RO pin)) • Autonomous watchdog operation function: Watchdog timer operates due to detection of load current. Window mode • Watchdog mode: Overall • Current consumption: • Operation temperature range: • Lead-free (Sn 100%), halogen-free • Withstand 45 V load dump • AEC-Q100 qualified*3 *1. *2. *3. 3.0 μA typ. (During watchdog timer deactivation) 5.0 μA typ. (During watchdog timer activation) Ta = −40°C to +125°C Please make sure that the loss of the IC will not exceed the power dissipation when the output current is large. The release delay time and the watchdog trigger time can be adjusted by connecting CDLY to the DLY pin. Contact our sales representatives for details.  Applications • Constant-voltage power supply for automotive electric component, monitoring of microcontroller  Packages • TO-252-9S • HSOP-8A 1 AUTOMOTIVE, 125°C OPERATION, 36 V INPUT, 250 mA, BUILT-IN WINDOW WATCHDOG TIMER VOLTAGE REGULATOR WITH RESET FUNCTION S-19514/19515 Series Rev.1.4_00  Block Diagrams 1. S-19514 Series (Product with WEN pin) VIN VOUT Thermal shutdown circuit Overcurrent protection circuit Reference voltage circuit + − WI WDT circuit WEN + − WADJ Reference voltage circuit DLY WO / RO Voltage detection circuit VSS Figure 1 2. S-19515 Series (Product without WEN pin) VIN VOUT Thermal shutdown circuit Overcurrent protection circuit Reference voltage circuit + − WI WDT circuit + − WADJ Reference voltage circuit WO RO Voltage detection circuit VSS Figure 2 2 DLY AUTOMOTIVE, 125°C OPERATION, 36 V INPUT, 250 mA, BUILT-IN WINDOW WATCHDOG TIMER VOLTAGE REGULATOR WITH RESET FUNCTION Rev.1.4_00 S-19514/19515 Series  AEC-Q100 Qualified This IC supports AEC-Q100 for the operation temperature grade 1. Contact our sales representatives for details of AEC-Q100 reliability specification.  Product Name Structure 1. Product name S-1951 x A x x A - xxxx U 4 Environmental code U: Lead-free (Sn 100%), halogen-free Package abbreviation and IC packing specifications*1 V9T1: TO-252-9S, Tape E8T1: HSOP-8A, Tape Operation temperature A: Ta = −40°C to +125°C Detection voltage*2 J to Z, 0 to 5 Output voltage*2 F, Y Product type 4: S-19514 Series (Product with WEN pin) 5: S-19515 Series (Product without WEN pin) *1. *2. 2. Refer to the tape drawing. Refer to "2. Product option list". Product option list Table 1 Output Voltage Set Output Symbol Voltage 5.0 V 3.3 V F Y Table 2 Set Detection Voltage Symbol 4.7 V 4.6 V 4.5 V 4.4 V 4.3 V 4.2 V 4.1 V 4.0 V 3.9 V 3.8 V 3.7 V Remark Set output voltage ≥ Set detection voltage + 0.3 V J K L M N P Q R S T U Detection Voltage Set Detection Voltage 3.6 V 3.5 V 3.4 V 3.3 V 3.2 V 3.1 V 3.0 V 2.9 V 2.8 V 2.7 V 2.6 V Symbol V W X Y Z 0 1 2 3 4 5 3 AUTOMOTIVE, 125°C OPERATION, 36 V INPUT, 250 mA, BUILT-IN WINDOW WATCHDOG TIMER VOLTAGE REGULATOR WITH RESET FUNCTION S-19514/19515 Series Rev.1.4_00 3. Packages Table 3 Package Name TO-252-9S HSOP-8A 4. Package Drawing Codes Dimension VA009-A-P-SD FH008-A-P-SD Tape VA009-A-C-SD FH008-A-C-SD Reel VA009-A-R-SD FH008-A-R-SD Land VA009-A-L-SD FH008-A-L-SD Product name list 4. 1 S-19514 Series (Product with WEN pin) Table 4 Output Voltage (VOUT) Detection Voltage (−VDET) TO-252-9S HSOP-8A 3.3 V ± 2.0% 3.3 V ± 2.0% 3.3 V ± 2.0% 5.0 V ± 2.0% 5.0 V ± 2.0% 2.8 V ± 2.0% 2.9 V ± 2.0% 3.0 V ± 2.0% 4.2 V ± 2.0% 4.6 V ± 2.0% S-19514AY3A-V9T1U4 S-19514AY2A-V9T1U4 S-19514AY1A-V9T1U4 S-19514AFPA-V9T1U4 S-19514AFKA-V9T1U4 S-19514AY3A-E8T1U4 S-19514AY2A-E8T1U4 S-19514AY1A-E8T1U4 S-19514AFPA-E8T1U4 S-19514AFKA-E8T1U4 Remark Please contact our sales representatives for products other than the above. 4. 2 S-19515 Series (Product without WEN pin) Table 5 Output Voltage (VOUT) Detection Voltage (−VDET) TO-252-9S HSOP-8A 3.3 V ± 2.0% 3.3 V ± 2.0% 3.3 V ± 2.0% 5.0 V ± 2.0% 5.0 V ± 2.0% 2.8 V ± 2.0% 2.9 V ± 2.0% 3.0 V ± 2.0% 4.2 V ± 2.0% 4.6 V ± 2.0% S-19515AY3A-V9T1U4 S-19515AY2A-V9T1U4 S-19515AY1A-V9T1U4 S-19515AFPA-V9T1U4 S-19515AFKA-V9T1U4 S-19515AY3A-E8T1U4 S-19515AY2A-E8T1U4 S-19515AY1A-E8T1U4 S-19515AFPA-E8T1U4 S-19515AFKA-E8T1U4 Remark 4 Please contact our sales representatives for products other than the above. AUTOMOTIVE, 125°C OPERATION, 36 V INPUT, 250 mA, BUILT-IN WINDOW WATCHDOG TIMER VOLTAGE REGULATOR WITH RESET FUNCTION Rev.1.4_00 S-19514/19515 Series  Pin Configurations 1. TO-252-9S Top view 5 1 2 3 4 6 7 8 9 Figure 3 Table 6 Pin No. S-19514 Series (Product with WEN pin) Symbol Description Voltage output pin (Regulator block) Connection pin for watchdog activation threshold current adjustment resistor Connection pin for release delay time and monitoring time adjustment capacitor 1 VOUT 2 WADJ 3 DLY 4 NC*1 No connection 5 VSS 6 WO / RO*2 GND pin WO Watchdog output pin RO Reset output pin 7 WEN Watchdog enable pin 8 WI Watchdog input pin 9 VIN Voltage input pin (Regulator block) Table 7 S-19515 Series (Product without WEN Pin) Pin No. Symbol Description *1. *2. Voltage output pin (Regulator block) Connection pin for watchdog activation threshold current adjustment resistor Connection pin for release delay time and monitoring time adjustment capacitor 1 VOUT 2 WADJ 3 DLY 4 NC*1 No connection 5 VSS GND pin 6 RO Reset output pin 7 WO Watchdog output pin 8 WI Watchdog input pin 9 VIN Voltage input pin (Regulator block) The NC pin is electrically open. The NC pin can be connected to the VIN pin or the VSS pin. The WO / RO pin combines the watchdog output pin and the reset output pin. 5 AUTOMOTIVE, 125°C OPERATION, 36 V INPUT, 250 mA, BUILT-IN WINDOW WATCHDOG TIMER VOLTAGE REGULATOR WITH RESET FUNCTION S-19514/19515 Series Rev.1.4_00 2. HSOP-8A Top view Pin No. 1 8 2 7 3 6 4 5 Bottom view 8 1 7 2 6 3 5 4 *1 Figure 4 *1. *2. 6 Table 8 S-19514 Series (Product with WEN pin) Symbol Description 1 VOUT 2 WADJ 3 VSS 4 DLY 5 WO / RO*2 6 7 8 WEN WI VIN Table 9 Pin No. Voltage output pin (Regulator block) Connection pin for watchdog activation threshold current adjustment resistor GND pin Connection pin for release delay time and monitoring time adjustment capacitor WO Watchdog output pin RO Reset output pin Watchdog enable pin Watchdog input pin Voltage input pin (Regulator block) S-19515 Series (Product without WEN pin) Symbol 1 VOUT 2 WADJ 3 VSS 4 DLY 5 6 7 8 RO WO WI VIN Description Voltage output pin (Regulator block) Connection pin for watchdog activation threshold current adjustment resistor GND pin Connection pin for release delay time and monitoring time adjustment capacitor Reset output pin Watchdog output pin Watchdog input pin Voltage input pin (Regulator block) Connect the heat sink of backside at shadowed area to the board, and set electric potential GND. However, do not use it as the function of electrode. The WO / RO pin combines the watchdog output pin and the reset output pin. AUTOMOTIVE, 125°C OPERATION, 36 V INPUT, 250 mA, BUILT-IN WINDOW WATCHDOG TIMER VOLTAGE REGULATOR WITH RESET FUNCTION Rev.1.4_00 S-19514/19515 Series  Absolute Maximum Ratings Table 10 (Tj = −40°C to +150°C unless otherwise specified) Item VIN pin voltage VOUT pin voltage DLY pin voltage RO pin voltage WADJ pin voltage WEN pin voltage WI pin voltage WO pin voltage WO / RO pin voltage Output current Junction temperature Operation ambient temperature Storage temperature Caution Symbol VIN VOUT VDLY VRO VWADJ VWEN VWI VWO VWO / RO IOUT IRO IWO IWO / RO Tj Topr Tstg Absolute Maximum Rating VSS − 0.3 to VSS + 45.0 VSS − 0.3 to VIN + 0.3 ≤ VSS + 7.0 VSS − 0.3 to VOUT + 0.3 ≤ VSS + 7.0 VSS − 0.3 to VOUT + 0.3 ≤ VSS + 7.0 VSS − 0.3 to VIN + 0.3 ≤ VSS + 7.0 VSS − 0.3 to VSS + 7.0 VSS − 0.3 to VOUT + 0.3 ≤ VSS + 7.0 VSS − 0.3 to VOUT + 0.3 ≤ VSS + 7.0 VSS − 0.3 to VOUT + 0.3 ≤ VSS + 7.0 325 30 30 30 −40 to +150 −40 to +125 −40 to +150 Unit V V V V V V V V V mA mA mA mA °C °C °C The absolute maximum ratings are rated values exceeding which the product could suffer physical damage. These values must therefore not be exceeded under any conditions.  Thermal Resistance Value Table 11 Item Symbol Condition TO-252-9S Typ. Max. Unit °C/W − 84 − − − °C/W − − − °C/W − Board B Board C Board D − − − °C/W Board E Board A − − 24 °C/W °C/W Board B − 105 − − − − °C/W Board C − − − °C/W Board D − − − °C/W Board E Test environment: compliance with JEDEC STANDARD JESD51-2A Measurement values when this IC is mounted on each board − 31 − °C/W Junction-to-ambient thermal resistance*1, *2 θJA HSOP-8A *1. *2. Min. Board A Remark Refer to " Power Dissipation" and "Test Board" for details. 7 AUTOMOTIVE, 125°C OPERATION, 36 V INPUT, 250 mA, BUILT-IN WINDOW WATCHDOG TIMER VOLTAGE REGULATOR WITH RESET FUNCTION S-19514/19515 Series Rev.1.4_00  Recommended Operation Conditions Table 12 Item Symbol VIN pin voltage VIN WEN pin voltage WI pin voltage Watchdog input "H" time*2 Watchdog input "L" time*2 Watchdog input frequency*2 Input capacitance Output capacitance Equivalent series resistance Release delay time and monitoring time adjustment capacitance*3 Watchdog activation threshold current adjustment resistance*4 VWEN VWI thigh tIow fWI CIN CL RESR Condition − When using autonomous watchdog operation function*1 S-19514 Series − − − Duty ratio 50% − − Output capacitor (CL) CDLY − RWADJ,ext RextW External pull-up resistances for output pins RextR Connected to WADJ pin Connected to WO pin Connected to S-19514 Series WO / RO pin Connected to S-19515 Series RO pin S-19515 Series Min. Typ. − Max. Unit 36.0 V − 36.0 V − − − − − − − − VOUT VOUT − − 0.2 − − 100 V V μs μs MHz μF μF Ω 1 10 − nF 10 − − kΩ 3 − − kΩ 3 − − kΩ 3 − − kΩ 3.0 VOUT(S) + 1.0 0 0 5 5 − 1.0 1.0 − *1. Refer to "3. Watchdog timer block" in " Operation" for the autonomous watchdog operation function. *2. When inputting a rising edge that satisfies the condition of Figure 5 to the WI pin, the watchdog timer detects a trigger. The signal input from the monitored object by the watchdog timer should satisfy the condition of Figure 5. *3. Refer to "2. Release delay time and monitoring time adjustment capacitor (CDLY)" in " Selection of External Parts" for the details. *4. Refer to "3. Watchdog activation threshold current adjustment resistor (RWADJ,ext)" in " Selection of External Parts" for the details. VWI thigh tlow VSH,WI VSL,WI 1 / fWI t Figure 5 Caution 8 Generally a series regulator may cause oscillation, depending on the selection of external parts. Confirm that no oscillation occurs in the actual application using capacitors that meet the above CIN, CL, and RESR. AUTOMOTIVE, 125°C OPERATION, 36 V INPUT, 250 mA, BUILT-IN WINDOW WATCHDOG TIMER VOLTAGE REGULATOR WITH RESET FUNCTION Rev.1.4_00 S-19514/19515 Series  Electrical Characteristics 1. Regulator block Table 13 (VIN = 13.5 V, Tj = −40°C to +150°C unless otherwise specified) Item Symbol Condition Output voltage*1 VOUT(E) VOUT(S) + 1.0 V ≤ VIN ≤ 18.0 V, 1 mA ≤ IOUT ≤ 100 mA Output current*2 IOUT VIN ≥ VOUT(S) + 1.0 V VOUT(S) − 2.0% VOUT(S) VOUT(S) + 2.0% V 1 − − mA 2 240 mV 1 VOUT(S) = 5.0 V − 100 200 mV 1 VOUT(S) = 3.3 V − 300 600 mV 1 VOUT(S) = 5.0 V ΔVOUT1 VOUT(S) + 1.0 V ≤ VIN ≤ 36.0 V, ΔVIN • VOUT IOUT = 1 mA − 250 500 mV 1 − 0.01 0.02 %/V 1 − 10 50 mV 1 3.0 − 36.0 V − VOUT(S) = 3.3 V − 65 − dB 3 VOUT(S) = 5.0 V − 60 − dB 3 250 40 450 80 650 120 mA 2 mA 2 Junction temperature − 170 − °C − Junction temperature − 135 − °C − Vdrop Input voltage VIN Limit Test Circuit 120 ΔVOUT2 current*6 Unit − Load regulation*5 Ripple rejection Max. VOUT(S) = 3.3 V IOUT = 250 mA Line regulation*4 Typ. 250*7 IOUT = 100 mA Dropout voltage*3 Min. |RR| ILIM Short-circuit current Ishort Thermal shutdown TSD detection temperature Thermal shutdown TSR release temperature VIN = VOUT(S) + 1.0 V, 1 mA ≤ IOUT ≤ 250 mA, Ta = +25°C − VIN = 13.5 V, IOUT = 30 mA, f = 100 Hz, ΔVrip = 1.0 Vp-p VIN = VOUT(S) + 1.0 V, Ta = +25°C VIN = 13.5 V, VOUT = 0 V, Ta = +25°C *1. The accuracy is guaranteed when the input voltage, output current, and temperature satisfy the conditions listed above. VOUT(S): Set output voltage VOUT(E): Actual output voltage *2. The output current when increasing the output current gradually until the output voltage has reached the value of 95% of VOUT(E). *3. The difference between input voltage (VIN1) and the output voltage when decreasing input voltage (VIN) gradually until the output voltage has dropped out to the value of 98% of output voltage (VOUT3). Vdrop: VIN1 − (VOUT3 × 0.98) VOUT3: Output voltage when VIN = VOUT(S) + 1.0 V *4. The dependency of the output voltage against the input voltage. The value shows how much the output voltage changes due to a change in the input voltage while keeping output current constant. *5. The dependency of the output voltage against the output current. The value shows how much the output voltage changes due to a change in the output current while keeping input voltage constant. *6. The current limited by overcurrent protection circuit. *7. Due to limitation of the power dissipation, this value may not be satisfied. Attention should be paid to the power dissipation when the output current is large. This specification is guaranteed by design. 9 AUTOMOTIVE, 125°C OPERATION, 36 V INPUT, 250 mA, BUILT-IN WINDOW WATCHDOG TIMER VOLTAGE REGULATOR WITH RESET FUNCTION S-19514/19515 Series Rev.1.4_00 2. Detector block Table 14 (Tj = −40°C to +150°C unless otherwise specified) Item Symbol Condition Min. Typ. Max. Unit Test Circuit −VDET(S) − 2.0% −VDET(S) −VDET(S) + 2.0% V 4 Detection voltage*1 −VDET − Hysteresis width*2 VHYS − 120 150 180 mV 4 − VOUT(S) × 0.9 − − V 4 Reset output voltage "H" VROH Reset output voltage "L" VROL VOUT ≥ 1.0 V, RextR ≥ 3 kΩ, Connected to VOUT pin − 0.2 0.4 V 4 Reset pull-up resistance RRO VOUT pin internal resistance, VOUT ≥ +VDET 20 30 45 kΩ − Reset output current IRO Release delay time*3 trd Reset reaction time*4 trr VRO = 0.4 V, VOUT = −VDET(S) × 0.95 CDLY = 10 nF − 3.0 − − mA 5 16 20 24 ms 4 200 μs 4 − − *1. The VOUT pin voltage at which the output of the RO pin switches from "H" to "L". −VDET(S): Set detection voltage −VDET: Actual detection voltage *2. The voltage difference between the detection voltage (−VDET) and the release voltage (+VDET). The relation between the actual output voltage (VOUT(E)) of the regulator block and the actual release voltage (+VDET = −VDET + VHYS) of the detector block is as follows. VOUT(E) > +VDET *3. The time from when VOUT exceeds +VDET to when the RO pin output inverts (Refer to Figure 6). This value changes according to the release delay time and monitoring time adjustment capacitor (CDLY). The time period from when VOUT changes to +VDET → VDET(S) to when VRO reaches VOUT / 2. *4. The time from when VOUT falls below −VDET to when the RO pin output inverts (Refer to Figure 7). The time period from when VOUT changes to VOUT(S) → −VDET to when VRO reaches VOUT / 2. V V VOUT +VDET −VDET(S) × 0.95 −VDET VRO VOUT −VDET(S) × 0.95 VRO t t trd Figure 6 10 Release Delay Time trr Figure 7 Reset Reaction Time AUTOMOTIVE, 125°C OPERATION, 36 V INPUT, 250 mA, BUILT-IN WINDOW WATCHDOG TIMER VOLTAGE REGULATOR WITH RESET FUNCTION Rev.1.4_00 S-19514/19515 Series 3. Watchdog timer block 3. 1 S-19514 Series (Product with WEN pin) Table 15 Item (VIN = 13.5 V, Tj = −40°C to +150°C unless otherwise specified) Test Condition Min. Typ. Max. Unit Circuit Symbol Watchdog activation threshold current Watchdog deactivation threshold current Watchdog activation hysteresis current Watchdog activation threshold voltage IO,WDact WADJ pin is open 1.1 1.5 1.9 mA 6 IO,WDdeact WADJ pin is open − 1.25 − mA 6 IO,WDhys WADJ pin is open 0.1 0.25 0.4 mA 6 1.2 1.25 1.33 V 7 − 1700 − − 7 − VWADJ,th WADJ pin current ratio IOUT IWADJ WADJ pin internal resistance RWADJ,int − 1000 1400 1800 kΩ − WI pin input voltage "H" VSH,WI − VOUT(S) × 0.7 − − V 8 WI pin input voltage "L" VSL,WI − − − VOUT(S) × 0.3 V 8 VWADJ = 0 V, IOUT = 10 mA WI pin input current "H" ISH,WI VWI = VOUT(S) − − 1 μA 8 WI pin input current "L" ISL,WI VWI = 0 V − − 0.1 μA 8 WEN pin input voltage "H" VSH,WEN − 2 − − V 9 WEN pin input voltage "L" VSL,WEN − − − 0.8 V 9 WEN pin input curernt "H" ISH,WEN VWEN = VOUT(S) − − 1 μA 9 WEN pin input current "L" Watchdog output "L" time*1 ISL,WEN tWD,L VWEN = 0 V CDLY = 10 nF − − 0.1 9.2 11.5 13.8 μA ms 9 10 Watchdog trigger time*2 tWI,tr CDLY = 10 nF 39.1 46 52.9 ms 10 Watchdog double-pulse CDLY = 10 nF ms 10 tWI,dp 9.2 11.5 13.8 detection time*3 *1. The time when the WO / RO pin continues "L" after the watchdog timer detects a time-out or double-pulse (Refer to Figure 8). This value changes according to CDLY. *2. The time from when the watchdog timer initiates the detection of a trigger signal to when a time-out is detected and the WO / RO pin output changes to "L" (Refer to Figure 8). This value changes according to CDLY. *3. The time from when the watchdog timer initiates the detection of a trigger signal to when a trigger is detected again before tWI,dp elapses and the WO / RO pin output changes to "L" (Refer to Figure 9). This value changes according to CDLY. VWI VWI t VWO/RO tWD,L tWI,dp Figure 9