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MP2637 Datasheet(PDF) 6 Page - Monolithic Power Systems |
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MP2637 Datasheet(HTML) 6 Page - Monolithic Power Systems |
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6 / 36 page  MP2637 –2.5A SINGLE CELL SW MODE BATTERY CHARGER WITH PPM AND 2.4A BOOST MP2637 Rev. 1.04 www.MonolithicPower.com 6 8/3/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved. ELECTRICAL CHARACTERISTICS VIN = 5.0V, TA = 25°C, unless otherwise noted. Parameter Symbol Condition Min Typ Max Units IN to SYS NMOS ON Resistance RIN to SYS VCC=5V, 65 m Ω High-side PMOS ON Resistance RH_DS VCC=5V, 30 m Ω Low-side NMOS ON Resistance RL_DS VCC=5V, 30 m Ω High-Side PMOS Peak Current Limit IPEAK_HS CC Charge Mode/ Boost Mode 6.5 A TC Charge Mode 3.2 A Low-Side NMOS Peak Current Limit IPEAK_LS 6.3 A Switching Frequency* fsw 490 600 700 kHz VCC UVLO VCC_UVLO 2 2.2 2.4 V VCC UVLO Hysteresis 100 mV PWIN Lower Threshold VPWIN_L 0.75 0.8 0.85 V Lower Threshold Hysteresis 50 mV PWIN Upper Threshold VPWIN_H 1.1 1.15 1.2 V Upper Threshold Hysteresis 50 mV Charge Mode Input Quiescent Current IIN EN = 5V, Battery Float 2.5 mA EN = 0 1.5 mA Input Current Limit IIN_LIMIT RlLIM = 100k 400 450 500 mA RlLIM = 56k 720 810 900 RlLIM = 16.5k 2400 2700 3000 Input Over-Current Threshold IIN(OCP) 4.2 A Input Over-Current Blanking Time (5) τ INOCBLK 120 µs Input Over-Current Recover Time (5) τ INRECVR 100 ms Terminal Battery Voltage VBATT_FULL Connect VB to GND 4.328 4.35 4.372 V Leave VB floating or connect to logic HIGH 4.179 4.2 4.221 Recharge Threshold VRECH Connect to VB to GND 4.09 4.15 4.21 Leave VB floating or connect to logic HIGH 3.95 4.01 4.07 V Recharge Threshold Hysteresis 200 mV Battery Over Voltage Threshold As percentage of the VBATT_FULL 103.3% VBATT_ FULL Constant Charge (CC) Current ICC RS1 = 20m Ω, R ISET = 120k 850 1000 1150 mA RS1 = 20m Ω, R ISET = 60.4k 1725 1987 2250 RS1 = 20m Ω, R ISET = 47.5k 2225 2525 2825 Trickle Charge Current ITC 125 250 mA * Reserve 1200kHz Option |
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