MCP73831-2DCI/MC Microchip Technology, MCP73831-2DCI/MC Datasheet
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MCP73831-2DCI/MC
Specifications of MCP73831-2DCI/MC
Related parts for MCP73831-2DCI/MC
MCP73831-2DCI/MC Summary of contents
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... The constant current value is set with one external resistor. The MCP73831/ 2 devices limit the charge current based on die temper- ature during high power or high ambient conditions. ...
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... V BAT 477 kΩ 255 kΩ 100 kΩ DS21984E-page 2 43.6 kΩ 361 kΩ 3.9 kΩ kΩ PRECONDITION 182.3 kΩ kΩ - TERMINATION + - 7 kΩ CHARGE 190 kΩ + SHDN - DIRECTION + CONTROL - + UVLO - V BAT CA + MCP73831 ONLY - V DD STAT © 2008 Microchip Technology Inc. ...
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... MCP73831/2 (typical) + 0.3V -40°C to +85°C. A Units Conditions V µA Charging µA Charge Complete, No Battery µA PROG Floating µA V < mV) DD BAT µA V < ...
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... T = 105° µA PROG Floating µA V Floating DD µA V < STOP µA Charge Complete SINK (MCP73831) SOURCE µA High-Impedance kΩ kΩ 3.5V ≤ V ≤ V BAT REG V Falling DD 3.5V ≤ V ≤ V BAT BAT REG V Rising DD °C °C © 2008 Microchip Technology Inc. ...
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... Sym. Min. Typ. Max. T -40 — + -40 — +125 J T -65 — +150 A θ — 230 — JA θ — 76 — JA MCP73831 (typical) + 0.3V] to 12V, REG Conditions V Low-to-High DD V < > V BAT PTH BAT PTH I Rising to 90 OUT REG Average I Falling OUT Average V BAT SINK I ...
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... MCP73831/2 NOTES: DS21984E-page 6 © 2008 Microchip Technology Inc. ...
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... FIGURE 2-5: ). Supply Voltage (V A 516 514 512 510 508 506 504 502 500 4.50 4.00 4.20 FIGURE 2-6: Supply Voltage (V MCP73831/2 = +25°C, Constant-Voltage mode. A Programming Resistor (kΩ) Charge Current (I ) vs. OUT ). PROG kΩ PROG 4.75 5.00 5.25 5.50 5.75 6.00 ...
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... MCP73831/2 TYPICAL PERFORMANCE CURVES (CONTINUED) Note: Unless otherwise indicated 104 103 102 101 100 Ambient Temperature (°C) FIGURE 2-7: Charge Current (I Ambient Temperature ( 516 514 512 510 508 506 504 502 500 Ambient Temperature (°C) FIGURE 2-8: Charge Current (I Ambient Temperature (T ) ...
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... A 0.10 0.05 0.00 -0.05 -0.10 -0.15 -0.20 -0. 4.7 µF, X7R Ceramic OUT -0.30 Time (µs) Load Transient Response. 120 100 MCP73831-2AC/IOT kΩ PROG 0 Time (minutes) Complete Charge Cycle 600 500 400 300 200 100 = 2 kΩ 0 Time (minutes) Complete Charge Cycle ...
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... MCP73831/2 NOTES: DS21984E-page 10 © 2008 Microchip Technology Inc. ...
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... Charge Status Output (STAT) STAT is an output for connection to an LED for charge status indication. Alternatively, a pull-up resistor can be applied for interfacing to a host microcontroller. STAT is a tri-state logic output on the MCP73831 and an open-drain output on the MCP73832. © 2008 Microchip Technology Inc. Table 3-1 ...
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... MCP73831/2 NOTES: DS21984E-page 12 © 2008 Microchip Technology Inc. ...
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... Characteristics” for preconditioning threshold options and the Product Identification System for standard options. In this mode, the MCP73831/2 supply a percentage of the charge current (established with the value of the resistor connected to the PROG pin) to the battery. The percentage or ratio of the current is factory set. Refer to Section 1.0 preconditioning current options and the ” ...
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... Identification System” for standard options. DS21984E-page 14 4.8 Thermal Regulation The MCP73831/2 limit the charge current based on the die temperature. The thermal regulation optimizes the charge cycle time while maintaining device reliability. Figure 4-2 depicts the thermal regulation for the MCP73831/2 ...
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... MCP73831/2 5.2 Digital Circuitry 5.2.1 STATUS INDICATOR (STAT) The charge status output of the MCP73831 has three different states: High (H), Low (L), and High-Imped- ance (Hi-Z). The charge status output of the MCP73832 is open-drain, and, as such, has two different states: Low (L), and High-Impedance (Hi-Z). ...
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... MCP73831/2 NOTES: DS21984E-page 16 © 2008 Microchip Technology Inc. ...
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... APPLICATIONS The MCP73831/2 are designed to operate in conjunc- tion with a host microcontroller stand-alone application. The MCP73831/2 provide the preferred charge algorithm for Lithium-Ion and Lithium-Polymer C IN REGULATED WALL CUBE FIGURE 6-1: Typical Application Circuit. 6.0 5.0 4.0 3.0 2.0 MCP73831-2AC/IOT V = 5.2V 1 ...
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... Alternatively, the 2mm x 3mm DFN package could be utilized to reduce charge cycle times. 6.1.1.3 External Capacitors The MCP73831/2 are stable with or without a battery load. In order to maintain good AC stability in the Con- stant-Voltage mode, a minimum capacitance of 4.7 µF is recommended to bypass the V BAT capacitance provides compensation when there is no battery load ...
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... MCP73832T-2ATI/MC AAM MCP73832T-2DCI/MC AAP MCP73832T-3ACI/MC AAQ MCP73832T-4ADI/MC AAR MCP73832T-5ACI/MC AAS Note: Applies to 8-Lead DFN Device Code MCP73831T-2ACI/OT KDNN MCP73831T-2ATI/OT KENN MCP73831T-2DCI/OT KFNN MCP73831T-3ACI/OT KGNN MCP73831T-4ADI/OT KHNN MCP73831T-5ACI/OT KJNN MCP73832T-2ACI/OT KKNN MCP73832T-2ATI/OT KLNN MCP73832T-2DCI/OT KMNN MCP73832T-3ACI/OT KPNN MCP73832T-4ADI/OT KQNN MCP73832T-5ACI/OT KRNN MCP73832T-2DFI/OT ...
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... MCP73831 NOTE TOP VIEW A3 DS21984E-page EXPOSED PAD BOTTOM VIEW A NOTE NOTE © 2008 Microchip Technology Inc. ...
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... Microchip Technology Inc. MCP73831/2 DS21984E-page 21 ...
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... MCP73831 DS21984E-page φ © 2008 Microchip Technology Inc. ...
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... Numerous edits throughout document. 2. Added note to Temperature Specifications table. 3. Updated Figure 2-4. Revision B (March 2006) The following is the list of modifications: 1. Added MCP73832 through document. Revision A (November 2005) • Original Release of this Document. © 2008 Microchip Technology Inc. Added and added MCP73831/2 DS21984E-page 19 ...
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... MCP73831/2 NOTES: DS21984E-page 20 © 2008 Microchip Technology Inc. ...
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... Consult Factory for Alternate Device Options MCP73831/2 . MCP73831-2ACI/OT: 4.20V V , REG Options AC, 5LD SOT23 Pkg MCP73831T-2ACI/OT: Tape and Reel, 4.20V V , Options AC, 5LD SOT23 Pkg REG MCP73832-2ACI/MC: 4.20V V , REG Options AC, 8LD DFN Package MCP73832T-2ACI/MC: Tape and Reel, 4.20V V , Options AC, 8LD DFN Package REG MCP73831-2ATI/OT: 4 ...
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... MCP73831/2 NOTES: DS21984E-page 22 © 2008 Microchip Technology Inc. ...
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... PowerMate, PowerTool, REAL ICE, rfLAB, Select Mode, Total Endurance, WiperLock and ZENA 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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