MCP73844-820I/MS Microchip Technology, MCP73844-820I/MS Datasheet
MCP73844-820I/MS
Specifications of MCP73844-820I/MS
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MCP73844-820I/MS Summary of contents
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... The MCP73843 and MCP73844 employ all the features of the MCP73841 and MCP73842, with the exception of the cell temperature monitor. The MCP73843 and MCP73844 are offered in 8-pin MSOP packages. The MCP73841 and MCP73843 are designed for applications utilizing single-cell Lithium-Ion or Lithium- Polymer battery packs ...
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... Precondition Precon Control Delay V UVLO V (1.2V) REF Charge Control, Charge Timers, I /10 REG And Status Logic Oscillator DRV + - REF V BAT 300 k Precondition (825 k ) Comp 74.21 k Constant-Voltage/ Recharge Comp 0. REF 150.02 k 5.15 k (4. STAT1 Drv Stat 1 Charge_ok 2004 Microchip Technology Inc. ...
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... Electrical Specifications: Unless otherwise indicated, all limits apply for V Typical values are at +25° (Typ) + 1V]. DD REG Parameters Sym Supply Input Supply Voltage V MCP73841, MCP73843 MCP73842, MCP73844 Supply Current UVLO Start Threshold V START MCP73841, MCP73843 MCP73842, MCP73844 UVLO Stop Threshold V MCP73841, MCP73843 MCP73842, MCP73844 Voltage Regulation (Constant-Voltage Mode) ...
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... MCP73844-8.2 MCP73842-8.4, MCP73844-8.4 Charge Termination Charge Termination Threshold V Automatic Recharge Recharge Threshold Voltage V MCP73841, MCP73843 MCP73842, MCP73844 External MOSFET Gate Drive Gate Drive Current I Gate Drive Minimum Voltage V DRVMIN Gate - Source Clamp Voltage V Thermistor Reference - MCP73841, MCP73842 Thermistor Reference Output V THREF ...
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... Typical values are at +25° (Typ)+1.0V]. DD REG Parameters Temperature Ranges Specified Temperature Range Operating Temperature Range Storage Temperature Range Thermal Package Resistances Thermal Resistance, MSOP-10 Thermal Resistance, MSOP-8 2004 Microchip Technology Inc REG Min Typ Max Units V 1.4 - – – ...
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... I (mA) OUT Supply Current ( OUT +85°C MCP73841-4. 1000 mA OUT +25°C -45°C 6.0 7.5 9.0 10.5 12.0 V (V) DD Supply Current ( MCP73841-4. OUT -45°C +25°C +85°C 6.0 7.5 9.0 10.5 12.0 V (V) DD Supply Current ( 2004 Microchip Technology Inc. ...
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... V (V) DD FIGURE 2-9: Battery Regulation Voltage (V ) vs. Supply Voltage (V ). BAT DD 2004 Microchip Technology Inc. MCP73841/2/3 (Typ and T REG OUT 1.40 1.20 = 9.4 V 1.00 0.80 0.60 0.40 0.20 0.00 ...
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... Battery Voltage (V BAT MCP73842-8. 9 100 125 150 175 200 I (µA) THREF Thermistor Reference ) vs. Thermistor Bias Current MCP73842-8. 100 µA THREF +85°C +25°C -45°C 9.2 9.6 10.0 10.4 10.8 11.2 11.6 12.0 V (V) DD Thermistor Reference ) vs. Supply Voltage ( 2004 Microchip Technology Inc. ). ...
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... MCP73841-4. 100 mVp-p - OUT - µF, X7R, CERAMIC OUT -80 0.01 0 Frequency (kHz) FIGURE 2-21: Power Supply Ripple Rejection. 2004 Microchip Technology Inc. MCP73841/2/3 (Typ and T REG OUT BAT FIGURE 2-22: MCP73841-4. OUT BAT I OUT FIGURE 2-23: 0 -10 -20 -30 -40 -50 ...
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... MCP73841/2/3/4 3.0 PIN DESCRIPTIONS The descriptions of the pins are listed in Table 3-1. TABLE 3-1: PIN DESCRIPTION TABLE MCP73841, MCP73843, MCP73842 MCP73844 Pin No. Pin No — 6 — 3.1 Charge Current Sense Input (SENSE) Charge current is sensed via the voltage developed across an external precision sense resistor. The sense ...
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... MCP73843-4.1) - 4.2V (MCP73841-4.2, MCP73843-4.2) - 8.2V (MCP73842-8.2, MCP73844-8.2) - 8.4V (MCP73842-8.4, MCP73844-8.4) 4.4 Charge Cycle Completion and Automatic Re-Charge The MCP7384X monitors the charging current during the constant-voltage regulation phase ...
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Note: The qualification parameters are continuously monitored throughout the charge cycle. Preconditioning Phase Charge Current = I PREG Reset Safety Timer Yes V > V BAT PTH No Fault Yes Safety Timer Charge Current = 0 Expired Reset Safety Timer ...
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... Figure 6-1 depicts a typical application circuit with connection of the THERM input. The resistor values of R and R are calculated with the following T1 T2 equations. 2004 Microchip Technology Inc. MCP73841/2/3/4 For NTC thermistors For PTC thermistors: : SENSE R ...
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... MCP73843-4.1) - 4.2V (MCP73841-4.2, MCP73843-4.2) - 8.2V (MCP73842-8.2, MCP73844-8.2) - 8.4V (MCP73842-8.4, MCP73844-8.4) 5.1.7 DRIVE OUTPUT (DRV) The MCP7384X controls the gate drive to an external P-channel MOSFET. The P-channel MOSFET is controlled in the linear region regulating current and voltage supplied to the cell ...
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... Precondition Current (I ) PREG Termination Current (I ) TERM Precondition Safety Timer FIGURE 6-2: Typical Charge Profile. 2004 Microchip Technology Inc. MCP73841/2/3/4 cells: constant-current followed by constant-voltage. Figure 6-1 depicts a typical stand-alone application circuit, while Figure 6-2 depicts the accompanying charge profile. R SENSE SENSE ...
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... DDMIN V is the maximum fast charge current FCSMAX regulation threshold = V – DDMAX PTHMIN REGMAX = 5.5V 2.75V – 551mA = 1.52W 2 pad of 2 oz. of the DSON provided by the controller occurs GS is – V – V DRVMAX DDMIN FCSMAX output 2004 Microchip Technology Inc. ...
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... In addition, the reverse-leakage current of the diode should be kept as small as possible. 2004 Microchip Technology Inc. 6.1.1.5 ENABLE INTERFACE In the stand-alone configuration, the enable pin is generally tied to the input voltage. The MCP7384X – ...
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... MCP73841/2/3/4 7.0 PACKAGING INFORMATION 7.1 Package Marking Information 8-Lead MSOP (MCP73843, MCP73844) XXXXX YWWNNN 10-Lead MSOP (MCP73841, MCP73842) XXXXX YYWWNNN Legend: XX...X Customer specific information* YY Year code (last 2 digits of calendar year) WW Week code (week of January 1 is week ‘01’) NNN Alphanumeric traceability code ...
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... Mold Draft Angle Top Mold Draft Angle Bottom *Controlling Parameter Notes: Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed .010" (0.254mm) per side. JEDEC Equivalent: MO-187 Drawing No. C04-111 2004 Microchip Technology Inc. MCP73841/2/3 φ A1 ...
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... A2 MILLIMETERS* MIN NOM MAX 10 0.50 TYP 1.10 0.75 0.85 0.95 0.00 - 0.15 4.90 BSC 3.00 BSC 3.00 BSC 0.40 0.60 0.80 0.95 REF 0° - 8° 0.08 - 0.23 0.15 0.23 0.30 5° - 15° 5° - 15° 2004 Microchip Technology Inc. ...
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... MCP73843-410I/MS: 4.1V Preset Voltage MCP73843T-410I/MS: 4.1V Preset Voltage, Tape and Reel MCP73843-420I/MS: 4.2V Preset Voltage MCP73843T-420I/MS: 4.2V Preset Voltage, Tape and Reel MCP73844-820I/MS: 8.2V Preset Voltage MCP73844T-820I/MS: 8.2V Preset Voltage, Tape and Reel MCP73844-840I/MS: 8.4V Preset Voltage MCP73844T-840I/MS: 8.4V Preset Voltage, Tape and Reel ...
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... MCP73841/2/3/4 NOTES: DS21823C-page 22 2004 Microchip Technology Inc. ...
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... PICLAB, PICtail, PowerCal, PowerInfo, PowerMate, PowerTool, rfLAB, rfPICDEM, Select Mode, Smart Serial, SmartTel and Total Endurance are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. ...
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... Fax: 65-6334-8850 Taiwan - Kaohsiung Tel: 886-7-536-4818 Fax: 886-7-536-4803 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Taiwan - Hsinchu Tel: 886-3-572-9526 Fax: 886-3-572-6459 2004 Microchip Technology Inc. EUROPE Austria - Weis Tel: 43-7242-2244-399 Fax: 43-7242-2244-393 Denmark - Ballerup Tel: 45-4420-9895 Fax: 45-4420-9910 France - Massy Tel: 33-1-69-53-63-20 ...