WS4612EDA-5/TR

WS4612 WS4612 60mΩ, Current Limited, Power Distribution Switch Http//:www.sh-willsemi.com Descriptions 4 5 The WS4612 is a high-side switch with ultra-low ON 4612 **YW resistance P-MOSFET. Integrated current-limit function can limit inrush current for heavy capacitive load, over 1 load current, and short-circuit current to protect power source. SOT-23-5L The WS4612 is also integrated reverse protection 2 3 Marking WS4612EA WS4612E(B/C/D/E) function to eliminate any reverse current flow across the switch when the device is off. Output auto-discharge function makes output voltage off quickly while the device shutdown. Thermal shutdown function can protect the device and load. Pin configuration (Top view) The WS4612 is available in SOT-23-5L packages. Standard product is Pb-free and Halogen-free. For detail marking information, please see page 14. Features Order Information  Input voltage range : 2.5-5.5V  Main switch RON : 60mΩ@VIN=5.0V  Adj. current limit range : 0.1A-2.5A(Typ.) Ordering Information  Quiescent Supply Current : 26μA WS4612  Under Voltage Lockout  Auto discharge  Reverse block (No “body diode”) EN Function & Discharge  Over temperature protection A : EN high enable & Discharge For detail order information, please see page 14. -- 5 /TR B : EN low enable & Discharge C : EN high enable & no Discharge Applications D : EN low enable & no Discharge  USB peripherals  USB Dongle Output Current Limit  USB 3G data card A : Adjustable version  3.3V or 5V Power Switch B : 1.5A  3.3V or 5V Power Distribution C : 2.1A D : 2.4A E : 3A Package Code E : SOT-23-5L Will Semiconductor Ltd. 1 Aug, 2020 - Rev. 1.8 WS4612 Typical Applications WS4612EA Pin Descriptions WS4612EA Pin Number Symbol Descriptions 1 OUT Output Pin 2 GND Ground 3 ISET Current limit setting 4 EN/EN Enable Pin must be driven logic High or Low for a clearly defined input. Floating the input may cause unpredictable operation. 5 IN Input Pin WS4612E(B/C/D/E) Pin Descriptions WS4612E(B/C/D/E) Pin Number Symbol Descriptions 1 OUT Output Pin 2 GND Ground 3 FLG Fault Flag Pin, Open-Drain, Active Low 4 EN/EN Enable Pin must be driven logic High or Low for a clearly defined input. Floating the input may cause unpredictable operation. 5 IN Will Semiconductor Ltd. Input Pin 2 Aug, 2020 - Rev. 1.8 WS4612 Block Diagram( WS4612EA) Block Diagram( WS4612E(B/C/D/E) ) Will Semiconductor Ltd. 3 Aug, 2020 - Rev. 1.8 WS4612 Absolute maximum ratings Parameter Symbol Value Unit VIN -0.3~6.5 V OUT pin voltage range VOUT -0.3~6.5 V ISET pin voltage range VISET -0.3~6.5 V FLG pin voltage range VFLG -0.3~6.5 V EN pin voltage range VEN -0.3~6.5 Junction temperature TJ -40~150 o Lead temperature(Soldering, 10s) TL 260 o Tstg -55~150 o HBM 2000 V CDM 2000 V IN pin voltage range Storage temperature ESD Ratings V C C C These are stress ratings only. Stresses exceeding the range specified under “Absolute Maximum Ratings” may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability. Recommend Operating Conditions Parameter Symbol Value Unit Supply input voltage range VIN 2.5~5.5 Operating ambient temperature TA -40~85 Thermal Resistance RθJA 250 o Thermal Resistance RθJC 58 o V C o C/W C/W Surface mounted on FR-4 Board using 2 oz, 1*1 square inch Cu area. PCB board size 1.5*1.5 square inches. Will Semiconductor Ltd. 4 Aug, 2020 - Rev. 1.8 WS4612 Electronics Characteristics( WS4612EA ) Ta=25oC, VIN=5V, CIN=COUT=1μF, unless otherwise noted Parameter Symbol Quiescent supply current IQ Shutdown current ISD Conditions Min. IOUT=0, VIN=5V, Typ. Max. Units 50 μA 1.0 μA 1.0 μA 60 70 mΩ 50 100 Ω 26 VEN=enable VEN=disable VIN=0V, VEN=disable, Reverse current IREV VOUT=5V, Current flow to VIN Main-FET ON resistance Auto-discharge FET ON resistance Current Limit(1) Short-circuit output current Short circuit current limiting response time RON RDCHG ILIM IOS tSHORT VIN=5V, VEN=enable, IOUT=500mA VEN=disable, VIN =5V, VOUT=2V RSET=2.72 kΩ 2.15 2.5 2.85 A RSET=6.8 kΩ 0.86 1.0 1.14 A RSET=13.6 kΩ 0.40 0.50 0.60 A RSET=68 kΩ 0.05 0.1 0.15 A OUT shorted to GND,Rset=6.8kΩ OUT connected to GND，CL=1μF 0.65 A 1.0 μs EN input low voltage VIL VIN=5V EN input high voltage VIH VIN=5V OUT pin turn-on time after EN ON tON CL=1μF, RL=5ohm 700 μs VIN=5.0V 7.5 ms TSD 160 o THYS 20 o Under voltage lock out threshold VUVLO 2.25 Under voltage lock out hysteresis VUVLO-HYS 250 Fault flag output blanking time Over-temperature shutdown threshold Over-temperature threshold hysteresis tBLANK 0.4 1.2 V V C C 2.4 V mV (1) Pulse test, Period=10mS, Duty cycle=4% Will Semiconductor Ltd. 5 Aug, 2020 - Rev. 1.8 WS4612 Electronics Characteristics( WS4612E) Ta=25oC, VIN=5V, CIN=COUT=1μF, unless otherwise noted Parameter Symbol Quiescent supply current IQ Shutdown current ISD Conditions Min. IOUT=0, VIN=5V, VEN=enable Typ. Max. Units 26 50 μA 1.0 μA 1.0 μA 60 70 mΩ VEN=disable VIN=0V, VEN=disable, Reverse current IREV VOUT=5V, Current flow to VIN Main-FET ON resistance RON Current Limit(1) ILIM Auto-discharge FET ON RDCHG resistance Short circuit current limiting tSHORT response time VIN=5V, VEN=enable, IOUT=500mA WS4612EB 1.2 1.5 1.6 A WS4612EC 1.8 2.1 2.4 A WS4612ED 2.1 2.4 2.7 A WS4612EE 2.6 3 3.4 A 50 100 Ω VIN =5V, VEN=disable, VOUT=2V OUT connected to GND， 1.0 CL=1μF μs EN input low voltage VIL VIN=5V EN input high voltage VIH VIN=5V OUT pin turn-on time after EN ON tON VIN=5V CL=1μF RL=5ohm 600 μs VIN=5.0V 7.5 ms TSD 160 oC THYS 20 o Under voltage lock out threshold VUVLO 2.25 Under voltage lock out hysteresis VUVLO-HYS 250 Fault flag output blanking time tBLANK Over-temperature shutdown threshold Over-temperature threshold hysteresis 0.4 1.2 V V C 2.4 V mV (1) Pulse test，Period=10mS，Duty cycle=4%. Will Semiconductor Ltd. 6 Aug, 2020 - Rev. 1.8 WS4612 Typical Characteristics (WS4612EAA, Ta=25oC, unless otherwise noted) 81 78 IOUT=0.5A RSET=6.8K 78 75 72 72 69 69 66 RON(m) RON(m) 75 66 63 60 63 60 57 57 54 54 51 51 48 48 2.5 3.0 3.5 4.0 4.5 5.0 VIN=5V RSET=6.8K IOUT=0.5A 45 -50 5.5 -25 0 25 50 0 75 100 125 Temperature( C) Input Voltage(V) ON Resistance vs. Input Voltage ON Resistance vs. Temperature Quiescent Current(uA) 35 34 33 32 31 30 29 28 VIN=5V 27 RSET=6.8K NO LOAD 26 25 -50 -25 0 25 50 75 100 125 0 Temperature( C) Quiescent current vs. Input Voltage 2.10 1.10 RSET=3.4K 2.08 RSET=6.8K 1.09 2.06 1.08 Current Limit(A) Current Limit(A) Quiescent current vs. Temperature 2.04 2.02 2.00 1.98 1.96 1.07 1.06 1.05 1.04 1.03 1.94 1.02 1.92 1.01 1.90 2.5 3.0 3.5 4.0 4.5 5.0 1.00 2.5 5.5 Input Voltage(V) 3.5 4.0 4.5 5.0 5.5 Input Voltage(V) Current Limit vs. Input Voltage Will Semiconductor Ltd. 3.0 Current Limit vs. Input Voltage 7 Aug, 2020 - Rev. 1.8 WS4612 0.50 0.49 1.98 1.96 0.48 Current Limit(A) Current Limit(A) 2.00 RSET=17K 0.47 0.46 0.45 0.44 0.43 1.92 1.90 1.88 1.86 1.84 0.42 1.82 0.41 1.80 0.40 2.5 1.78 -50 3.0 3.5 4.0 4.5 5.0 5.5 1.08 Current Limit(A) 1.06 1.04 1.02 1.00 0.98 0.96 VIN=5V RSET=6.8K 0.90 -50 -25 0 25 50 75 100 125 0 25 50 75 100 125 0.426 0.424 0.422 0.420 0.418 0.416 0.414 0.412 0.410 0.408 VIN=5V 0.406 RSET=17K 0.404 -50 -25 0 25 50 75 100 125 0 0 Temperature( C) Temperature( C) Current Limit vs. Temperature Will Semiconductor Ltd. -25 Current Limit vs. Temperature 1.10 0.92 RSET=3.4K Temperature( C) Current Limit vs. Input Voltage 0.94 VIN=5V 0 Input Voltage(V) Current Limit(A) 1.94 Current Limit vs. Temperature 8 Aug, 2020 - Rev. 1.8 WS4612 85 75 80 70 75 65 RON(m) RON(m) Typical Characteristics ( WS4612EE, Ta=25oC, unless otherwise noted ) 70 65 =1.0A IOUT 60 55 2.5 3.0 3.5 60 55 IOUT=1.0A 50 4.0 4.5 5.0 45 -50 5.5 -25 0 25 50 75 100 125 Temperature(oC) Input Voltage(V) ON Resistance vs. Input Voltage ON Resistance vs. Temperature Current Limit vs. Input Voltage Quiescent current vs. Temperature FLG Delay Time(ms) 8 7 6 5 4 3 2.5 3.0 3.5 4.0 4.5 5.0 5.5 Input Voltage(V) FLAG delay time vs. Input Voltage Will Semiconductor Ltd. 9 Aug, 2020 - Rev. 1.8 WS4612 Typical Characteristics (WS4612EAA , Ta=25oC, unless otherwise noted) Startup from Power ON Startup from Power ON Startup from Enable ON Startup from Enable ON Shutdown from Power OFF Shutdown from Enable OFF Current Limit Response Will Semiconductor Ltd. Short Circuit Response 10 Aug, 2020 - Rev. 1.8 WS4612 Typical Characteristics ( WS4612EEA), Ta=25oC, unless otherwise noted ) Startup from Power ON Startup from Power ON Startup from Enable ON Startup from Enable ON Shutdown from Power OFF Shutdown from Enable OFF Current Limit Response Will Semiconductor Ltd. Short Circuit Response 11 Aug, 2020 - Rev. 1.8 WS4612 Operation Information Power Switch The power switch is a P-channel MOSFET with low RDS(ON) for power management or USB power distribution applications. The WS4612 has reverse voltage protection to prevents current flow from OUT to IN and IN to OUT when device is off. Current-Limit Protection( WS4612EA ) The WS4612 provide current limit protection function to protect power source when over-current condition occurs. The current limit Ioc can be adjusted by external resistor connected between ISET pin and GND. The Ioc typical value can be calculated using following equation: I OC ( A)  6 .8 K RSET Current-Limit Protection( WS4612E(B/C/D/E) ) The WS4612 provide current limit protection function to protect power source when over-current condition occurs. The typical current limit threshold is set internally to approximately 1.5A(WS4612EB), 2.1A(WS4612EC), 2.4A(WS4612ED), 3A(WS4612EE). Short-Circuit Protection The WS4612 provide short circuit protection function. The output current will be limited to safe level. The short-circuit protection is used to reduce power dissipation of the device and protect power source during short-circuit condition. Fault indicate( WS4612E(B/C/D/E) ) The FLG open drain output is asserted (active low) with 7.5ms(Typ.) delay when an over-current or over-temperature condition is encountered. The FLG signal will remain asserted until the over-current or over-temperature condition is removed. UVLO Protection To avoid malfunction of the WS4612 at low input voltages, an under voltage lockout is included that disables the device, until the input voltage exceeds 2.25V (Typ.) Shutdown Mode Drive EN to place the WS4612 in shutdown mode. In shutdown mode, input current falls to smaller than 1uA. Thermal Shutdown As soon as the junction temperature (TJ) exceeds 160oC (Typ.), the WS4612 goes into thermal shutdown. In this mode, the device is turned off and will turn on again until Junction temperature falls below 140oC (Typ.). Will Semiconductor Ltd. 12 Aug, 2020 - Rev. 1.8 WS4612 Application Information Input Capacitor A 1uF input bypass ceramic capacitor(CIN) from IN to GND, located near the WS4612 is strongly recommended to suppress the voltage overshooting during short circuit fault event. Without the bypass capacitor, the output short may cause sufficient ringing on the input (from supply lead inductance) to damage the device. Output Capacitor A low ESR, 150uF aluminum electrolytic or tantalum between OUT and GND is strongly recommended to reduce the voltage droop during hot-plug of downstream peripheral. Higher value output capacitor is better when the output load is heavy. Additionally, bypassing the output with a 1uF ceramic capacitor improves the immunity of the device to short-circuit transients. PCB Layout consideration The PCB layout should be carefully performed to maximize thermal dissipation and to minimize voltage drop. The following guidelines must be considered: 1. Please place the input capacitors near the IN pin as close as possible. 2. Output decoupling capacitors for load must be placed near the load as close as possible for decoupling high frequency ripples. 3. Locate WS4612 and output capacitors near the load to reduce parasitic resistance and inductance for excellent load transient performance. 4. The negative pins of the input and output capacitors and the GND pin must be connected to the ground plane of the load. 5. Keep IN and OUT traces as wide and short as possible. Will Semiconductor Ltd. 13 Aug, 2020 - Rev. 1.8 WS4612 Order Information Continuous Ordering No. Current Output Enable Shutdown Package Resistor Operating Temperature Marking Shipping WS4612EBA-5/TR 1A Active High Yes SOT-23-5L -40~85oC 4612 BAYW 3000/Reel&Tape WS4612EBB-5/TR 1A Active Low Yes SOT-23-5L -40~85oC 4612 BBYW 3000/Reel&Tape WS4612ECA-5/TR 1.5A Active High Yes SOT-23-5L -40~85oC 4612 CAYW 3000/Reel&Tape WS4612ECB-5/TR 1.5A Active Low Yes SOT-23-5L -40~85oC 4612 CBYW 3000/Reel&Tape WS4612ECC-5/TR 1.5A Active High No SOT-23-5L -40~85oC 4612 CCYW 3000/Reel&Tape WS4612EDA-5/TR 2A Active High Yes SOT-23-5L -40~85oC 4612 DAYW 3000/Reel&Tape WS4612EDB-5/TR 2A Active Low Yes SOT-23-5L -40~85oC 4612 DBYW 3000/Reel&Tape WS4612EEB-5/TR 2.5A Active Low Yes SOT-23-5L -40~85oC 4612 EBYW 3000/Reel&Tape WS4612EEA-5/TR 2.5A Active High Yes SOT-23-5L -40~85oC 4612 EAYW 3000/Reel&Tape WS4612EAA-5/TR ADJ Active High Yes SOT-23-5L -40~85oC 4612 AAYW 3000/Reel&Tape WS4612EAB-5/TR ADJ Active Low Yes SOT-23-5L -40~85oC 4612 ABYW 3000/Reel&Tape WS4612EAC-5/TR ADJ Active High No SOT-23-5L -40~85oC 4612 ACYW 3000/Reel&Tape Marking Information 4612 = Device code ** =Special code Y = Year code W = Week code Marking Will Semiconductor Ltd. 14 Aug, 2020 - Rev. 1.8 WS4612 PACKAGE OUTLINE DIMENSIONS SOT-23-5L D θ b K L M E E1 (Ⅰ ) (Ⅱ) c e e1 TOP VIEW SIDE VIEW 2.30 0.55 A A2 A1 0.95 1.50 0.80 SIDE VIEW Symbol RECOMMENDED LAND PATTERN (unit: mm) Dimensions in Millimeters Min. Typ. Max. A - - 1.25 A1 0.00 - 0.15 A2 1.00 1.10 1.20 b 0.30 0.40 0.50 c 0.10 - 0.21 D 2.72 2.92 3.12 E 2.60 2.80 3.00 E1 1.40 1.60 1.80 e 0.95 BSC e1 1.90 BSC L 0.30 0.45 0.60 M 0.10 0.15 0.25 K 0.00 - 0.25 θ 0° - 8° Will Semiconductor Ltd. 15 Aug, 2020 - Rev. 1.8 WS4612 TAPE AND REEL INFORMATION Reel Dimensions RD Reel Dimensions Tape Dimensions W P1 Quadrant Assignments For PIN1 Orientation In Tape Q1 Q2 Q1 Q2 Q3 Q4 Q3 Q4 RD Reel Dimension W Overall width of the carrier tape P1 Pitch between successive cavity centers Pin1 Pin1 Quadrant Will Semiconductor Ltd. User Direction of Feed 7inch 13inch 1 8mm 12mm 16mm 2mm 4mm 8mm Q1 Q2 Q3 16 Q4 Aug, 2020 - Rev. 1.8