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MCP73123 bảng dữ liệu(PDF) 6 Page - Microchip Technology |
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MCP73123 bảng dữ liệu(HTML) 6 Page - Microchip Technology |
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6 / 34 page  MCP73123/223 DS22191A-page 6 © 2009 Microchip Technology Inc. Battery Short Protection BSP Start Threshold VSHORT 1.40 1.45 1.50 V MCP73123 BSP Start Threshold VSHORT 2.80 2.90 3.00 V MCP73223 BSP Hysteresis VBSPHYS — 150 — mV BSP Regulation Current ISHORT —25 — mA Current Regulation (Fast Charge, Constant-Current Mode) Fast Charge Current Regulation IREG 130 — 1100 mA TA=-5°C to +55°C 117 130 143 mA PROG = 10 k Ω 900 1000 1100 mA PROG = 1.1 k Ω Preconditioning Current Regulation (Trickle Charge Constant Current Mode) Precondition Current Ratio IPREG / IREG —10 — % PROG = 1 k Ω to 10 kΩ TA=-5°C to +55°C — 100 — % No Preconditioning Precondition Voltage Threshold Ratio VPTH VPTH 1.9 2.0 2.1 V MCP73123, VBAT Low-to-High 3.8 4.0 4.2 V MCP73223, VBAT Low-to-High Precondition Hysteresis VPHYS — 100 — mV VBAT High-to-Low (Note 1) Charge Termination Charge Termination Current Ratio ITERM / IREG 3.7 5 6.3 % PROG = 1 k Ω to 10 kΩ TA=-5°C to +55°C 5.6 7.5 9.4 7.5 10 12.5 15 20 25 Automatic Recharge Recharge Voltage Threshold Ratio VRTH / VREG 93 95 97 % VBAT High-to-Low No Automatic Recharge —0 — Pass Transistor ON-Resistance ON-Resistance RDSON — 350 — m Ω VDD = 4.5V, TJ = 105°C (Note 1) Status Indicator - STAT Sink Current ISINK —20 35 mA Low Output Voltage VOL —0.2 0.5 V ISINK = 4 mA Input Leakage Current ILK — 0.001 1 μA High Impedance, VDD on pin PROG Input Charge Impedance Range RPROG 1— 21 k Ω Shutdown Impedance RPROG — 200 — k Ω Impedance for Shutdown PROG Voltage Range VPROG 0— 5 V Automatic Power Down Automatic Power Down Entry Threshold VPDENTRY VBAT + 10 mV VBAT + 50 mV —V VDD Falling Automatic Power Down Exit Threshold VPDEXIT —VBAT + 150 mV VBAT + 250 mV VVDD Rising Thermal Shutdown Die Temperature TSD — 150 — °C Die Temperature Hysteresis TSDHYS —10 — °C DC CHARACTERISTICS (CONTINUED) Electrical Specifications: Unless otherwise indicated, all limits apply for V DD= [VREG(Typical) + 0.3V] to 12V, TA = -40°C to +85°C. Typical values are at +25°C, VDD = [VREG (Typical) + 1.0V] Parameters Sym Min Typ Max Units Conditions Note 1: Not production tested. Ensured by design. |
Số phần tương tự - MCP73123 |
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Mô tả tương tự - MCP73123 |
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