FPF2487 ONSEMI | Alldatasheet
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© 2014 Fairchild Semiconductor Corporation www.fairchildsemi.com FPF2487 • Rev. 1.4 FPF2487 — Dual Channel Over-Voltage Protection Load Switch FPF2487 Dual Channel Over-Voltage Protection Load Switch
Features
Dual Channel Power Switch (VBUS and VIF) Surge Protection under IEC 61000-4-5 V BUS: ±100 V V IF: ± 40 V Input Voltage Range V BUS: 2.5 V ~ 23 V V IF: 3.1 V ~ 5.5 V Max. Continuous Current Capability V BUS: 2.5 A V IF: 6 A Ultra Low On-Resistance - VBUS: Typ. 33 mΩ - VIF: Typ. 11 mΩ Over-Voltage Protection - VBUS: 5.95 V ± 50 mV - VIF: 5.25 V ± 250 mV LDO Output based VBUS_DET for VBUS Detection Active Low Control for VBUS Path OTG Functionality on VBUS Path Conditional Active High Control for VIF Path Reverse-Current Blocking for VIF Path
Applications
Mobile Handsets and Tablets Wearable Devices
Description
The FPF2487 features a 2-channel power switch, which offers surge protection and Over-Voltage Protection (OVP), to protect downstream components and enhancing overall system robustness. Channel one (V BUS) is an active- low, 28 V/2.5 A rated, power MOSFET switch with an internal clamp supporting ± 100 V surge protection , highly accurate fixed OVP at 5.95 V (± 50 mV), and OTG functionality . Channel two (V IF) is a conditional active-high, 6 V/6 A rated, power MOSFET switch with an integrated TVS supporting ± 40 V surge protection and fixed OVP at 5.25 V (±250 mV). VIF also provides Reverse Current Blocking (RCB) during its OFF state to minimize leakage current. VBUS_DET is paired with always ON LDO to power downstream devices even with V BUS is greater than 2.5 V, even when disabled through the ONB pin. This provides power sequence control or a host controlled configuration in system. The FPF2487 is available in a 15-bump, 1.6 mm x 2.2 mm Wafer-Level Chip-Scale Package (WLCSP) with 0.4 mm pitch. Related Resources http://www.fairchildsemi.com/
Ordering Information
Part Number Operating Temperature Range Top Mark Package Packing Method FPF2487UCX -40°C – +85°C GX 15-Ball, 0.4 mm Pitch WLCSP Tape & Reel
Figure 3. Pin Configuration (Top View) Figure 4. Pin Configuration (Bottom View)
© 2014 Fairchild Semiconductor Corporation www.fairchildsemi.com FPF2487 • Rev. 1.4 4 FPF2487 — Dual Channel Over-Voltage Protection Load Switch Absolute Maximum Ratings Stresses exceeding the absolute maximum ratings may dama ge the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only. Symbol Parameter Min. Max. Unit VBUS VBUS to GND & VBUS to VOUT=GND or Float -0.3 29.0 V VIF VIF to GND -2(1) 6 V VOUT VOUT to GND -0.3 VIN + 0.3 V BAT BAT to GND -0.3 VIF + 0.3 V VBUS_DET VBUS_DET to GND 8 V VON(B) ONB or ON to GND 6 V IIN_VBUS Continuous VBUS Current 2.5 A Peak VBUS Current (5 ms) 5 A IIN_VIF Continuous VIF Current 6 A Peak VIF Current (5 ms) 12 A IIN_VBUS_DET Continuous VBUS_DET Current 1 mA tPD Total Power Dissipation at TA=25°C 1.54 W TSTG Storage Temperature Range -65 +150 °C TJ Maximum Junction Temperature +150 C TL Lead Temperature (Soldering, 10 Seconds) +260 C JA Thermal Resistance, Junction-to-Ambient(2) (1-in.2 Pad of 2-oz. Copper) 81(2) °C/W ESD Electrostatic Discharge Capability IEC 61000-4-2 System Level ESD Air Discharge 15 kV Contact Discharge 8 Human Body Model, ANSI/ESDA/JEDEC JS- 001-2012 All Pins 2 Charged Device Model, JESD22-C101 All Pins 1 Surge IEC 61000-4-5, Surge Protection VBUS ±100 V VIF ±40 Notes: 1. Pulsed, 50 ms maximum non-repetitive. 2. Measured using 2S2P JEDEC std. PCB. Recommended Operating Conditions The Recommended Operating Conditions table defines the condi tions for actual device operation. Recommended operating conditions are specified to ensure optimal perfo rmance to the datasheet specifications. Fairchild does not recommend exceeding them or designing to Absolute Maximum Ratings. Symbol Parameter Min. Max. Unit VBUS Supply Voltage, VBUS 2.5 23.0 V VIF Supply Voltage, VIF 3.1 5.5 V CIN / COUT Input and Output Capacitance 0.1 μF CVBUS_DET Output Capacitance 0.47 μF TA Operating Temperature -40 +85 °C
© 2014 Fairchild Semiconductor Corporation www.fairchildsemi.com FPF2487 • Rev. 1.4 5 FPF2487 — Dual Channel Over-Voltage Protection Load Switch
Electrical Characteristics
Unless otherwise noted, VBUS=2.5 to 23 V, VIF=3.1 to 5.5 V, TA=-40 to 85°C; Typical values are at VBUS=5 V, IIN ≤ 2 A, VIF=4 V, CIN=0.1 μF and TA=25°C. Symbol Parameter Conditions Min. Typ. Max. Unit Basic Operation IQ Input Quiescent Current VBUS=5 V, ONB=0 V, VBUS_DET=Floating 160 250 μA VIF=4 V 100 150 μA IIN_Q OVLO Supply Current VBUS=12 V, VOUT=0 V, VBUS_DET=Floating 150 205 μA VIF=5.5 V, BAT=0 V 100 180 μA TSDN Thermal Shutdown(3) 140 °C TSDN_HYS Thermal Shutdown Hysteresis(3) 20 °C VBUS to VOUT Switch VBUS_CLAMP Input Clamping Voltage IIN=10 mA 35 V VBUS_OVLO Over-Voltage Trip Level VBUS Rising, TA=-40 to 85°C 5.90 5.95 6.00 V VBUS Falling, TA=-40 to 85°C 5.8 V RON_VBUS On-Resistance VBUS=5 V, IOUT=1 A, TA=25°C 33 39 mΩ VBUS=9 V, IOUT=1 A, TA=25°C 33 39 mΩ tDEB_VBUS Debounce Time Time from VBUS_MIN < VBUS < VBUS_OVLO to VOUT=0.1 × VBUS 15 ms tSTART_VBUS Soft-Start Time Time from VBUS=VBUS_MIN to 0.1 × VBUS_DET 30 ms tON_VBUS Switch Turn-On Time RL=100 Ω, CL=22 µF, VOUT from 0.1 × VBUS to 0.9 × VBUS 3 ms tOFF_VBUS Switch Turn-Off Time RL=100 Ω, No CL, VBUS > VBUS_OVLO to VOUT=0.8 × VBUS 150 ns VIF to BAT Switch VIF_CLAMP Input Clamping Voltage IIN=10 mA 6.4 V VIF_UVLO Under-Voltage Trip Level VIF Rising, TA=-40 to 85°C 2.85 3.05 V VIF Falling, TA=-40 to 85°C 2.7 V VIF_OVLO Over-Voltage Trip Level VIF Rising, TA=-40 to 85°C 5.00 5.25 5.50 V VIF Falling, TA=-40 to 85°C 4.8 V RON_VIF On-Resistance VIF=3.1 V, IOUT=1 A, TA=25°C 10 15 mΩ IRCB Reverse Current VIF=0 V, BAT=4.4 V 3 7 μA tDEB_VIF Debounce Time Time from VIF_UVLO < VIF < VIF_OVLO to BAT=0.1 × VIF 15 ms tQUAL_VIF Qualification Tim BAT > VIH_BAT First, Time from ON > VIH_ON(B) to BAT Voltage Increase 2 ms tON_VIF Switch Turn-On Time RL=100 Ω, CL=22 µF, VOUT from 0.1 × VIF to 0.9 × VIF 2 ms tOFF_VIF Switch Turn-Off Time RL=100 Ω, No CL,VIN > VOVLO to VOUT=0.8 × VIF 150 ns Note: 3. Guaranteed by characterization and design. Continued on the following page…
© 2014 Fairchild Semiconductor Corporation www.fairchildsemi.com FPF2487 • Rev. 1.4 6 FPF2487 — Dual Channel Over-Voltage Protection Load Switch Electrical Characteristics (Continued) Unless otherwise noted, VBUS=2.5 to 23 V, VIF=3.1 to 5.5 V, TA=-40 to 85°C; Typical values are at VBUS=5 V, IIN ≤ 2 A, VIF=4 V, CIN=0.1 μF and TA=25°C. Symbol Parameter Conditions Min. Typ. Max. Unit VBUS_DET VBUS_DET VBUS_DET Output Voltage VBUS=6.5 V, IBUS_DET=0 mA, TA=25°C 6.0 6.5 V VBUS=15 V, IBUS_DET=0 mA, TA=25°C 6.0 7.0 7.9 V VBUS=6.5 V, IBUS_DET=1 mA, TA=25°C 6.0 6.3 6.5 V VBUS=15 V, IBUS_DET=1 mA, TA=25°C 6.0 7.0 7.9 V Digital Signals VIH_ON(B) Enable HIGH Voltage VBUS, VIF Operating Range 1.2 V VIL_ON(B) Enable LOW Voltage VBUS, VIF Operating Range 0.5 V VIH_BAT BAT Presence HIGH Voltage BAT Rising 2.5 V VIL_BAT BAT Presence LOW Voltage BAT Falling 1.7 V IVBUS_DET_LEAK VBUS_DET Leakage Current VVBUS_DET=5 V, VBUS=0 V 1 µA ON(B)_Leak ON(B) Leakage Current VBUS=5 V, VOUT=Float 1 µA
Figure 11. V IF Turn-On Qualification State Diagram
- Case #1 is reflecting removable battery system without ON signal.
- Case #2 is reflecting embedded battery system with ON signal.
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