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MCP73826 Datasheet(PDF) 3 Page - Microchip Technology |
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MCP73826 Datasheet(HTML) 3 Page - Microchip Technology |
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3 / 24 page  2002 Microchip Technology Inc. DS21705A-page 3 MCP73826 1.0 ELECTRICAL CHARACTERISTICS 1.1 Maximum Ratings* VIN ................................................................................... -0.3V to 6.0V All inputs and outputs w.r.t. GND ................-0.3 to (VIN+0.3)V Current at VDRV.......................................................... +/-1 mA Maximum Junction Temperature, T J.............................. 150°C Storage temperature .....................................-65°C to +150°C ESD protection on all pins ..................................................≥ 4kV *Notice: Stresses above those listed under “Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specification is not implied. Exposure to maximum rating conditions for extended peri- ods may affect device reliability. PIN FUNCTION TABLE DC CHARACTERISTICS: MCP73826-4.1, MCP73826-4.2 TEMPERATURE SPECIFICATIONS Pin Name Description 1 SHDN Logic Shutdown 2 GND Battery Management 0V Reference 3 VBAT Cell Voltage Monitor Input 4VDRV Drive Output 5VIN Battery Management Input Supply 6VSNS Charge Current Sense Input Unless otherwise specified, all limits apply for VIN = [VREG(typ)+1V], RSENSE = 500 mΩ, TA = -20°C to +85°C. Typical values are at +25°C. Refer to Figure 1-1 for test circuit. Parameter Sym Min Typ Max Units Conditions Supply Voltage VIN 4.5 — 5.5 V Supply Current IIN — — 0.5 260 15 560 µA Shutdown, VSHDN = 0V Constant Voltage Mode Voltage Regulation (Constant Voltage Mode) Regulated Output Voltage VREG 4.059 4.158 4.1 4.2 4.141 4.242 V V MCP73826-4.1 only MCP73826-4.2 only Line Regulation ∆VBAT -10 — 10 mV VIN = 4.5V to 5.5V, IOUT = 75 mA Load Regulation ∆VBAT -1 +0.2 1 mV IOUT = 10 mA to 75 mA Output Reverse Leakage Current ILK —8 — µA VIN=Floating, VBAT=VREG External MOSFET Gate Drive Gate Drive Current IDRV — 0.08 — — 1 — mA mA Sink, CV Mode Source, CV Mode Gate Drive Minimum Voltage VDRV —1.6 — V Current Regulation (Controlled Current Mode) Current Sense Gain ACS —100 — dB ∆(VSNS-VDRV) / ∆VBAT Current Limit Threshold VCS 40 53 75 mV (VIN-VSNS) at IOUT Foldback Current Scale Factor K — 0.43 — A/A Shutdown Input - SHDN Input High Voltage Level VIH 40 — — %VIN Input Low Voltage Level VIL —— 25 %VIN Input Leakage Current ILK —— 1 µA VSHDN = 0V to 5.5V Unless otherwise specified, all limits apply for VIN = 4.5V-5.5V Parameters Sym Min Typ Max Units Conditions Temperature Ranges Specified Temperature Range TA -20 — +85 °C Operating Temperature Range TA -40 — +125 °C Storage Temperature Range TA -65 — +150 °C Thermal Package Resistances Thermal Resistance, 6-Pin SOT-23A θJA —230 — °C/W 4-Layer JC51-7 Standard Board, Natural Convection |
Similar Part No. - MCP73826 |
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Similar Description - MCP73826 |
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