MCP73831T-2ACI/OT Microchip Technology Inc., MCP73831T-2ACI/OT Datasheet
MCP73831T-2ACI/OT
Specifications of MCP73831T-2ACI/OT
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MCP73831T-2ACI/OT Summary of contents
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... V STAT SS MCP73831 © 2006 Microchip Technology Inc. MCP73831/2 Description: The MCP73831/2 devices are highly advanced linear charge management controllers for use in space-lim- ited, cost-sensitive applications. The MCP73831/2 are available in an 8-Lead DFN package or a 5-Lead, SOT23 package. Along with their small ...
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... DIRECTION CONTROL G=0.001 6 mA 0.5 mA PROG REFERENCE GENERATOR V (1.22V) REF 111 k 111 k 0 BAT 477 k 255 k 100 DS21984B-page 2 43.6 k 361 k 3 PRECONDITION 182 TERMINATION + - 7 k CHARGE 190 k + SHDN - DIRECTION + CONTROL - + UVLO - V BAT CA + MCP73831 ONLY - V DD STAT © 2006 Microchip Technology Inc. ...
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... REG Regulation Note 1: Not production tested. Ensured by design. © 2006 Microchip Technology Inc. † 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 ...
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... BAT % PROG = 2 PROG = 2 PROG = 2 PROG = 2 -5°C to +55° High-to-Low BAT % V High-to-Low BAT 3.75V 105° PROG Floating A V Floating < STOP A Charge Complete SINK (MCP73831) SOURCE A High-Impedance BAT REG V Falling DD 3. BAT BAT REG V Rising © 2006 Microchip Technology Inc. ...
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... Electrical Specifications: Unless otherwise indicated, all limits apply for V Typical values are at +25° Parameters Temperature Ranges Specified Temperature Range Operating Temperature Range Storage Temperature Range Thermal Package Resistances 5-Lead, SOT23 8-Lead mm, DFN © 2006 Microchip Technology Inc (typ.) + 1.0V] DD REG Min. Typ. Max. Units — — ...
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... Programming Resistor (kΩ) Charge Current (I ) vs. OUT ). PROG = 10 k Ω R PROG 4.75 5.00 5.25 5.50 5.75 6.00 Supply Voltage (V) Charge Current (I ) vs. OUT ). kΩ PROG 4.75 5.00 5.25 5.50 5.75 6.00 Supply Voltage (V) Charge Current (I ) vs. OUT ). DD © 2006 Microchip Technology Inc. ...
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... Ambient Temperature (°C) FIGURE 2-8: Charge Current (I Ambient Temperature ( 120 105 Junction Temperature (°C) FIGURE 2-9: Charge Current (I Junction Temperature ( © 2006 Microchip Technology Inc (typ and T REG OUT 525 = 10 k Ω R PROG 450 375 300 225 150 vs. FIGURE 2-10: OUT Junction Temperature ( Ω ...
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... C = 4.7 µF, X7R Ceramic OUT -0.30 Time (µs) Load Transient Response. 120 100 5. Ω PROG 0 Time (minutes) Complete Charge Cycle 600 500 400 300 200 100 = 2 k Ω 0 Time (minutes) Complete Charge Cycle © 2006 Microchip Technology Inc. ...
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... 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. © 2006 Microchip Technology Inc. Function Battery Management Input Supply Battery Management Input Supply Battery Charge Control Output ...
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... V the regulation voltage, V pin, the BAT programming resistor must the PROG pin is SS pin is less than the precondi- BAT pin rises above the BAT . Constant-Current mode is SS pin reaches BAT . REG © 2006 Microchip Technology Inc. ...
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... The recharge threshold is factory set. Refer to Section 1.0 “Electrical Char- acteristics” for recharge threshold options and the Product Identification System for standard options. © 2006 Microchip Technology Inc. MCP73831/2 4.8 Thermal Regulation The MCP73831/2 limit the charge current based on the die temperature ...
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... Placing a programming resistor from the PROG input to V enables the device. Allowing the PROG input to SS float or by applying a logic-high input signal, disables the device and terminates a charge cycle. When disabled, the device’s supply current is reduced typically. © 2006 Microchip Technology Inc. Hi-Z Hi Hi-Z ...
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... Selection of the external components in Figure 6-1 is crucial to the integrity and reliability of the charging system. The following discussion is intended as a guide for the component selection process. © 2006 Microchip Technology Inc. cells constant current followed by constant voltage. Figure 6-1 depicts a typical stand-alone application circuit, ...
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... Figures 6-4 and 6-5 depict a typical layout with PCB heatsinking. pin This BAT FIGURE 6- BAT FIGURE 6-5: Charge Inhibit Charge Status Interface and V BAT R LED LED R PROG C MCP73831 C V OUT IN DD Typical Layout (Top Typical Layout (Bottom). © 2006 Microchip Technology Inc. SS ...
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... MCP73831T-4ADI/MC AAJ MCP73831T-5ACI/MC AAK MCP73832T-2ACI/MC AAL 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 ...
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... D2 MILLIMETERS* MIN NOM MAX 8 0.50 BSC 0.80 0.90 1.00 0.00 0.02 0.05 0.20 REF. 2.00 BSC 3.00 BSC 1.30** – 1.75 1.50** – 1.90 0.30 0.40 0.50 0.20 – – 0.20 0.25 0.30 Revised 09-12-05 © 2006 Microchip Technology Inc. ...
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... Lead Width 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 .005" (0.127mm) per side. EIAJ Equivalent: SC-74A Drawing No. C04-091 © 2006 Microchip Technology Inc ...
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... MCP73831/2 NOTES: DS21984B-page 18 © 2006 Microchip Technology Inc. ...
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... APPENDIX A: REVISION HISTORY Revision B (March 2006) • Added MCP73832 through document. Revision A (November 2005) • Original Release of this Document. © 2006 Microchip Technology Inc. MCP73831/2 DS21984B-page 19 ...
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... MCP73831/2 NOTES: DS21984B-page 20 © 2006 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: DS21984B-page 22 © 2006 Microchip Technology Inc. ...
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... Microchip from any and all damages, claims, suits, or expenses resulting from such use. No licenses are conveyed, implicitly or otherwise, under any Microchip intellectual property rights. © 2006 Microchip Technology Inc. Trademarks The Microchip name and logo, the Microchip logo, Accuron, dsPIC, K ...
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... Fax: 886-3-572-6459 Taiwan - Kaohsiung Tel: 886-7-536-4818 Fax: 886-7-536-4803 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350 © 2006 Microchip Technology Inc. EUROPE Austria - Wels Tel: 43-7242-2244-399 Fax: 43-7242-2244-393 Denmark - Copenhagen Tel: 45-4450-2828 Fax: 45-4485-2829 France - Paris Tel: 33-1-69-53-63-20 ...