MCP73853IMF MICROCHIP [Microchip Technology], MCP73853IMF Datasheet
MCP73853IMF
Related parts for MCP73853IMF
MCP73853IMF Summary of contents
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USB Compatible Li-Ion/Li-Polymer Charge Management Controllers Features • Linear Charge Management Controllers - Integrated Pass Transistor - Integrated Current Sense - Reverse Blocking Protection • High-Accuracy Preset Voltage Regulation: + 0.5% • Two Selectable Voltage Regulation Options: - 4.1V, 4.2V ...
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MCP73853/55 Typical Application 400 mA Lithium-Ion Battery Charger 5V 4.7 µF Functional Block Diagram Direction Control V DD1 V DD2 G = 0.001 3 k PROG 11 k Charge REF Termination Comparator 110 REG ...
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ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings* V ...............................................................................6.5V DD1,2 All Inputs and Outputs w.r.t. V ..............-0 Maximum Junction Temperature, T ............ Internally Limited J Storage temperature .....................................-65°C to +150°C ESD protection on all pins: Human Body Model ...
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MCP73853/55 DC CHARACTERISTICS (Continued) Electrical Specifications: Unless otherwise indicated, all limits apply for -40°C to 85°C. Typical values are at +25° Parameters Sym Charge Termination Charge Termination Current I TERM Automatic Recharge Recharge Threshold Voltage ...
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AC CHARACTERISTICS Electrical Specifications: Unless otherwise indicated, all limits apply for -40°C to 85°C. Typical values are at +25° Parameters Sym UVLO Start Delay t START Current Regulation Transition Time Out of t DELAY Preconditioning ...
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MCP73853/55 2.0 TYPICAL PERFORMANCE CURVES Note: The graphs and tables provided following this note are a statistical summary based on a limited number of samples and are provided for informational purposes only. The performance characteristics listed herein are not tested ...
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TYPICAL PERFORMANCE CURVES (CONT) NOTE: Unless otherwise indicated 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0.00 2.0 2.4 2.8 3.2 3.6 V (V) BAT FIGURE 2-7: Output Leakage Current (I ) vs. Battery Voltage (V ...
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MCP73853/55 2.0 TYPICAL PERFORMANCE CURVES (CONT) NOTE: Unless otherwise indicated FIGURE 2-13: Line Transient Response. FIGURE 2-14: Load Transient Response. 0 MCP73853 V = 5 100 mVp ...
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TYPICAL PERFORMANCE CURVES (CONT) NOTE: Unless otherwise indicated 500 400 300 200 100 0 OPEN 4.8K 1.6K 536 PROG FIGURE 2-19: Charge Current (I Programming Resistor (R ). PROG 2004 Microchip Technology Inc. ...
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MCP73853/55 3.0 PIN DESCRIPTION The descriptions of the pins are listed in Table 3-1. TABLE 3-1: PIN FUNCTION TABLE MCP73853 MCP73855 — — 7 — — 10 ...
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DEVICE OVERVIEW The MCP7385X devices are highly advanced linear charge management controllers. Refer to the functional block diagram. Figure 4-2 depicts the operational flow algorithm from charge initiation to completion and automatic recharge. 4.1 Charge Qualification and Preconditioning Upon ...
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Note 1: The qualification parameters are continuously monitored throughout the charge cycle. For more details on this, refer to Section 4.1 “Charge Qualification and Preconditioning” . Note 2: The charge current will be scaled based on the die temperature during ...
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DETAILED DESCRIPTION 5.1 Analog Circuitry 5.1.1 BATTERY MANAGEMENT INPUT SUPPLY ( DD1 DD2 The V input is the input supply to the MCP7385X DD devices. The MCP7385X devices automatically enter a power-down mode if the voltage ...
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MCP73853/55 5.1.6 BATTERY VOLTAGE SENSE (V The MCP73853 monitors the battery voltage at the V pin. This input is tied directly to the positive BAT3 terminal of the battery pack. 5.1.7 BATTERY CHARGE CONTROL OUTPUT ( BAT1 BAT2 ...
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APPLICATIONS The MCP7385X devices are designed to operate in conjunction with a host microcontroller or in stand- alone applications. The MCP7385X devices provide the preferred charge algorithm for Li-Ion/Li-Polymer Regulated Wall Cube or USB Power Bus FIGURE 6-1: Typical ...
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MCP73853/55 Preconditioning Mode Regulation Voltage (V ) REG Regulation Current (I ) REG Transition Threshold (V ) PTH Precondition Current (I ) PREG Termination Current (I ) TERM Precondition Safety Timer FIGURE 6-3: Typical Charge Profile in Thermal Regulation. DS21915A-page ...
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Application Circuit Design Due to the low efficiency of linear charging, the most important factors are thermal design and cost. These are a direct function of the input voltage, output current and thermal impedance between the battery charger and ...
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MCP73853/55 7.0 PACKAGING INFORMATION 7.1 Package Marking Information 16-Lead QFN (MCP73853) XXXXXXX XXXXXXX YYWWNNN 10-Lead DFN (MCP73855) XXXX XYWW NNN Legend: XX...X Customer specific information* YY Year code (last 2 digits of calendar year) WW Week code (week of January ...
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Plastic Quad Flat No Lead Package (ML) 4x4x0.9 mm Body (QFN) – Saw Singulated D E TOP VIEW A A1 Dimension Limits Number of Pins Pitch Overall Height Standoff Contact Thickness Overall Width Exposed Pad Width Overall Length Exposed ...
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MCP73853/55 10-Lead Plastic Dual Flat No Lead Package (MF) 3x3x0.9 mm Body (DFN) – Saw Singulated E PIN 1 ID INDEX AREA TOP VIEW (NOTE 2) A3 Dimension Limits Number of Pins Pitch Overall Height Standoff Lead Thickness Overall Length ...
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PRODUCT IDENTIFICATION SYSTEM To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office PART NO Device Temperature Package Range Device MCP73853: USB compatible charge controller with tem- perature monitor ...
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MCP73853/55 NOTES: DS21915A-page 22 2004 Microchip Technology Inc. ...
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Note the following details of the code protection feature on Microchip devices: • Microchip products meet the specification contained in their particular Microchip Data Sheet. • Microchip believes that its family of products is one of the most secure families ...
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W ORLDWIDE AMERICAS ASIA/PACIFIC Corporate Office Australia - Sydney 2355 West Chandler Blvd. Tel: 61-2-9868-6733 Chandler, AZ 85224-6199 Fax: 61-2-9868-6755 Tel: 480-792-7200 China - Beijing Fax: 480-792-7277 Tel: 86-10-8528-2100 Technical Support: Fax: 86-10-8528-2104 http://support.microchip.com China - Chengdu Web Address: Tel: ...