MCP73862-I/ML Microchip Technology, MCP73862-I/ML Datasheet
MCP73862-I/ML
Specifications of MCP73862-I/ML
Available stocks
Related parts for MCP73862-I/ML
MCP73862-I/ML Summary of contents
Page 1
... MCP73861 has two selectable voltage-regulation options available (4.1V and 4.2V), for use with either coke or graphite anodes, and operates with an input voltage range of 4.5V to 12V. The MCP73862 has two selectable voltage-regulation options available (8.2V and 8.4V), for use with coke or graphite anodes, and operates with an input voltage range of 8 ...
Page 2
... Status Logic Oscillator Single + Lithium-Ion - Cell V BAT1 V BAT2 4k V BAT3 Precondition 600k Comp. + (1.65M ) - 148.42k Values reflect the MCP73862 + device - 1.58k V REF 300.04k V SET 10.3k (8.58k ) V SS1 V SS2 V SS3 STAT1 Drv Stat 1 STAT2 Drv Stat 2 Charge_OK 2004 Microchip Technology Inc. ...
Page 3
... REG Conditions MCP73861 MCP73862 Disabled Operating MCP73861 MCP73862 V Low-to-High DD MCP73861 MCP73862 V High-to-Low DD MCP73861 SET SS MCP73861 SET DD MCP73862 SET SS MCP73862 SET (Typ) + 1V REG OUT T = -5°C to +55° (Typ)+1V] to 12V DD REG OUT 150 mA OUT (Typ)+1V] DD REG ...
Page 4
... V — 0. (Typ) + 0.3V] to 12V, REG Conditions PROG = OPEN PROG = V SS PROG = 1 =-5°C to +55°C A MCP73861 SET SS MCP73861 SET DD MCP73862 SET SS MCP73862 SET DD V Low-to-High BAT PROG = OPEN PROG = V SS PROG = 1 =-5°C to +55°C A MCP73861 MCP73862 V High-to-Low BAT T = 25° (typ ...
Page 5
... 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 Thermal Resistance, 16-L, 4mm x 4mm QFN 2004 Microchip Technology Inc (typ.) + 1.0V] DD REG Min Typ Max Units — ...
Page 6
... V SET 5.2V DD 100 1000 I (mA) OUT Supply Current ( OUT MCP73861 SET 1000 mA OUT 6.0 7.5 9.0 10.5 12.0 V (V) DD Supply Current ( MCP73861 SET OUT 6.0 7.5 9.0 10.5 12.0 V (V) DD Supply Current ( 2004 Microchip Technology Inc. ...
Page 7
... I (µA) THREF FIGURE 2-9: Thermistor Reference Voltage (V ) vs. Thermistor Bias Current THREF (I ). THREF 2004 Microchip Technology Inc (Typ and T REG OUT 1.60 MCP73861 V 1.40 SET I OUT +85°C 1.20 +25°C 1.00 -40°C 0.80 ...
Page 8
... and T REG OUT 1.00 MCP73862 V 0.90 SET V = 9.4V DD 0.80 0.70 0.60 0.50 0.40 1000 10 FIGURE 2-16: Charge Current (I 1.60 MCP73862 V 1.40 SET I OUT 1.20 1.00 0.80 0.60 0.40 9.0 11.6 12.0 FIGURE 2-17: Supply Voltage (V 1.00 MCP73862 V 0.90 SET I OUT ...
Page 9
... Ambient Temperature (T DD BAT 2.550 2.546 2.542 2.538 2.534 2.530 FIGURE 2-24: Voltage (V THREF MCP73861/2 = +25°C, Constant Voltage mode (°C) A Supply Current ( MCP73862 SET OUT T (°C) A Battery Regulation Voltage ). A MCP73862 SET 100 A THREF T (°C) A Thermistor Reference ) vs. Ambient Temperature (T ). ...
Page 10
... FIGURE 2-30: Rejection. = +25°C, Constant Voltage mode. A Line Transient Response. Load Transient Response. MCP73861 100 mVp 100 mA OUT X7R, Ceramic OUT 0 100 1000 Frequency (kHz) Power Supply Ripple 2004 Microchip Technology Inc. ...
Page 11
... V 1000 SET DD 800 600 400 200 0 OPEN 4.8K 1.6K 536 PROG FIGURE 2-31: Charge Current (I Programming Resistor (R ). PROG 2004 Microchip Technology Inc (Typ and T REG OUT 505 MCP73861/2 V 503 SET R PROG 501 499 497 495 493 0 ) vs. FIGURE 2-32: ...
Page 12
... STAT1 3.1 Voltage Regulation Selection (V ) SET MCP73861: Connect to V for 4.1V regulation SS voltage, connect to V for 4.2V regulation voltage. DD MCP73862: Connect to V for 8.2V regulation SS voltage, connect to V for 8.4V regulation voltage. DD 3.2 Battery Management Input Supply ( DD2 DD1 A supply voltage of [V (Typ ...
Page 13
... V tied the MCP73861 and MCP73862 regulate to SS 2004 Microchip Technology Inc. 4.1V and 8.2V, respectively. With V MCP73861 and MCP73862 regulate to 4.2V and 8.4V, respectively. 4.4 Charge Cycle Completion and Automatic Re-Charge The MCP7386X monitors the charging current during the constant voltage regulation phase ...
Page 14
Note 1: The qualification parameters are continuously monitored throughout the charge cycle. Refer to Section 4.1, “Charge Qualification Preconditioning” , for details. Note 2: The charge current will be scaled based on the die temperature during thermal regulation. Refer to ...
Page 15
... V V /4. THREF 5.1.4 CELL TEMPERATURE SENSOR INPUT (THERM) The MCP73861 and MCP73862 continuously monitor temperature by comparing the voltage between the THERM input and V with the upper and lower SS temperature thresholds. A negative or positive temper- ature coefficient, NTC or PTC, thermistor and an exter- nal voltage-divider typically develop this voltage ...
Page 16
... V The V input selects the regulated output voltage of SET the MCP7386X. With V and MCP73862 regulate to 4.1V and 8.2V, respec- tively. With V MCP73862 regulate to 4.2V and 8.4V, respectively. 5.2.3 LOGIC ENABLE (EN) The logic enable input pin (EN) can be used to terminate a charge at any time during the charge cycle, ...
Page 17
... Current (I ) PREG Termination Current (I ) TERM Precondition Safety Timer FIGURE 6-2: Typical Charge Profile. 2004 Microchip Technology Inc. cells, constant current followed by constant voltage. Figure 6-1 depicts a typical stand-alone application circuit and Figures 6-2 accompanying charge profile. STAT1 EN V SS2 16 15 ...
Page 18
... In this case, the power dissipation is: PowerDissipation = V Where the maximum input voltage DDMAX I is the maximum fast charge current REGMAX V is the minimum transition threshold PTHMIN voltage – DDMAX PTHMIN REGMAX 2004 Microchip Technology Inc. ...
Page 19
... Two status outputs provide information on the state of charge. The current-limited, open-drain outputs can be used to illuminate external LEDs. Refer to Table 5-1 for a summary of the state of the status outputs during a charge cycle. 2004 Microchip Technology Inc. 6.2 PCB Layout Issues For optimum voltage regulation, place the battery pack = 1.61W as close as possible to the device’ ...
Page 20
... In the event the full Microchip part number cannot be marked on one line, it will be carried over to the next line thus limiting the number of available characters for customer specific information. * Standard OTP marking consists of Microchip part number, year code, week code, and traceability code. DS21893A-page 20 Example G3861 0412 256 2004 Microchip Technology Inc. ...
Page 21
... Overall Height Standoff Contact Thickness Overall Width Exposed Pad Width Overall Length Exposed Pad Length Contact Width Contact Length *Controlling Parameter Notes: JEDEC equivalent: MO-220 Drawing No. C04-127 2004 Microchip Technology Inc. EXPOSED METAL PAD OPTIONAL INDEX AREA A3 Units INCHES MIN ...
Page 22
... MCP73861/2 NOTES: DS21893A-page 22 2004 Microchip Technology Inc. ...
Page 23
... Register on our web site (www.microchip.com/cn) to receive the most current information on our products. 2004 Microchip Technology Inc. MCP73861/2 . Examples: a) MCP73861T-I/MLG: Tape and Reel, Single Cell Controller b) MCP73861-I/MLG: Single Cell Controller a) MCP73862T-I/MLG: Tape and Reel, Dual Series Controller b) MCP73862-I/MLG: Dual Series Controller DS21893A-page 23 ...
Page 24
... MCP73861/2 NOTES: DS21893A-page 24 2004 Microchip Technology Inc. ...
Page 25
... 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. ...
Page 26
... Via Quasimodo, 12 20025 Legnano (MI) Milan, Italy Tel: 39-0331-742611 Fax: 39-0331-466781 Netherlands Waegenburghtplein 4 NL-5152 JR, Drunen, Netherlands Tel: 31-416-690399 Fax: 31-416-690340 United Kingdom 505 Eskdale Road Winnersh Triangle Wokingham Berkshire, England RG41 5TU Tel: 44-118-921-5869 Fax: 44-118-921-5820 05/28/04 2004 Microchip Technology Inc. ...