Si9718CY Vishay Siliconix Si9718 Battery Disconnect Switch FEATURES • • • • • 6- to 18-V Operation Separate Logic Voltage Input Undervoltage Lockout (UVL) @ VL = 3 V Shutdown Control Capability Safe Power Down DESCRIPTION The Si9718CY is a reverse blocking switch for battery disconnect applications. It is an integrated solution for multiple battery technology designs or designs that require isolation from the power bus during charging. The Si9718CY is available in a 16-pin SOIC package and is rated for the commercial temperature range of 0 to 70°C. FUNCTIONAL BLOCK DIAGRAM ABSOLUTE MAXIMUM RATINGS Voltage Referenced to GND Storage Temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to 125°C VA, VB. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.3 to 20 V Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 W VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.3 to 10 V Notes: Device mounted with all leads soldered to PC board. VENABLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.3 to 10 V RECOMMENDED OPERATING RANGE VA, VB (See note ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 to 18 V Operating Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 70°C VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0 to 5 V Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0 to 150°C IAB (continuous) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 3.5 A Notes IAB x VA (continuous) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 35 W a. Si9718CY is functional at VA, VB = 5 to 6 V with higher supply current. See IA(on) specification. Minimum Cycle Time (turn-on to turn-on) . . . . . . . . . . . . . . . . . 10 ms VENABLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0 to 5 V FaxBack 408-970-5600, request 70019 www.siliconix.com S-60752—Rev. E, 05-Apr-99 1 Si9718CY Vishay Siliconix SPECIFICATIONS Limitsd Test Conditions Unless Otherwise Specified Parameter On-Resistance Leakage Current Symbols 6 V ≤ VA ≤18 V CVDD = 0.1 µF, CP = 0.02 µF Tempa Minb Typc Maxb Units RAB VA = 10 V, IA = 1 A Room 0.08 Ω IAB(off) VA = 16 V, VB = 0 V Room 10 µA IN Low Threshold VIN(L) Full IN High Threshold VIN(H) Full IN Input Current IIN(H) VIN = 5.0 V Full 1 Turn-On Delay IN to A or B tON(IN) ENABLE = 5 V, VA = 10 V, RL = 5 Ω Test Circuit 1 Full 10 Turn-Off Delay IN to A or B tOFF(IN) Full 10 ENABLE Low Threshold VENABLE(L) Full 3.0 ENABLE High Threshold VENABLE(H) Full ENABLE Input Current IENABLE(H) Setup Time from ENABLE to Switch tENABLE(H) On-State Drain IA(on) Off-State Drain IA(off) 1 V 4.0 µA µs V 4.4 VENABLE = 5 V Full 50 VA = 10 V, VIN = 0 V, Test Circuit 2 Room 2.0 VA = 6 V, VIN = 0 V, Test Circuit 2 Full 10 AB Shorted, VA = 10 V, VENABLE = 5 V Full 60 AB Shorted, VA = 5 V, VENABLE = 5 V Full 300 AB Shorted, VA = 10 V, VENABLE = 0 V Full 10 µA ms µA Notes: a. Room = 25°C, Full = as determined by the operating temperature suffix. b. The algebraic convention whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet. c. Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing. d. Tested at room temperature, high temperature guaranteed by statistical data correlation techniques. TEST CIRCUIT FIGURE 1. Test Circuit 1 FIGURE 2. Test Circuit 2 S-60752—Rev. E, 05-Apr-99 2 FaxBack 408-970-5600, request 70019 www.siliconix.com Si9718CY Vishay Siliconix PIN CONFIGURATION AND TRUTH TABLE TRUTH TABLE ENABLE IN Switch Controller State Switch 0 0 Inactive X 0 1 Inactive X 1 0 Set-Up Off 1 1 Active On PIN DESCRIPTION Pin Number Symbol 1, 8, 9, 16 GND Description Common connection for negative battery terminals. 2, 15 NC 3, 4, 5 A No internal connection. 6 ENABLE 7 CBP 10 CP Charge pump output terminal. Requires external capacitor connected to pin 9. 11 IN Logic input, IN. A high level turns on the switch. 12, 13, 14 B B-terminal of the battery switch, bidirectional. A-terminal of the battery switch, bidirectional. Logic input, ENABLE. Activates charge pump and switch drive logic. Internally generated logic power supply, VDD. Requires external bypass capacitor connected to pin 8. APPLICATIONS DIAGRAM FaxBack 408-970-5600, request 70019 www.siliconix.com S-60752—Rev. E, 05-Apr-99 3