MCP73853-I/ML Microchip Technology, MCP73853-I/ML Datasheet
MCP73853-I/ML
Specifications of MCP73853-I/ML
Available stocks
Related parts for MCP73853-I/ML
MCP73853-I/ML Summary of contents
Page 1
... QFN package. The MCP73855 employs all the features of the MCP73853, with the exception of the cell temperature monitor and one status output. The MCP73855 is offered in a space-saving 10-lead DFN package. The MCP73853 and MCP73855 are designed specifically for USB applications, adhering to all the specifications governing the USB power bus ...
Page 2
... REG and Status Logic Oscillator + Single Lithium-Ion – Cell V BAT1 V BAT2 – REF V BAT3 Precondition 600 k Comp . + – 149 k + – 1. REF 300 k V SET 10 SS1 V SS2 V SS3 STAT1 Drv Stat 1 STAT2 Drv Stat 2 MCP73853 ONLY Charge_OK 2004 Microchip Technology Inc. ...
Page 3
... PROG = OPEN 325 400 475 mA PROG = PROG = OPEN PROG = V 2.70 2.80 2.90 V 2.75 2.85 2.95 V MCP73853/ (Typ) + 0.3V] to 5.5V, REG Conditions Disabled V Low-to-High DD V High-to-Low SET SET (Typ) + 1V], DD REG mA -5°C to +55°C OUT (Typ) + 1V] to 5.5V ...
Page 4
... I THREF Source Current Thermistor Reference Line V THREF Regulation V )|/ THREF Thermistor Reference Load V THREF V Regulation THREF| Thermistor Comparator - MCP73853 Upper Trip Threshold V T1 Upper Trip Point Hysteresis V T1HYS Lower Trip Threshold V T2 Lower Trip Point Hysteresis V T2HYS Input Bias Current I BIAS Status Indicator – STAT1, STAT2 ...
Page 5
... REG Sym Min Typ Max T -40 — + -40 — +125 J T -65 — +150 A — — MCP73853/ (Typ) + 0.3V] to 5.5V, REG Conditions V Low-to-High DD V < > V BAT PTH BAT PTH I Rising to 90 OUT REG C = 0.1 µF TIMER = 0.1 µF TIMER C = 0.1 µF ...
Page 6
... 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 or guaranteed. In some graphs or tables, the data presented may be outside the specified operating range (e ...
Page 7
... Ambient Temperature (T DD BAT 2.575 MCP73853 SET DD 2.565 2.555 2.545 2.535 2.525 FIGURE 2-12: Voltage (V THREF MCP73853/55 = +25° SET OUT T (°C) A Supply Current ( SET OUT T (°C) A Battery Regulation Voltage ). A MCP73853 SET 100 µA THREF T (°C) A Thermistor Reference ) vs. Ambient Temperature ( DS21915A-page 7 ...
Page 8
... FIGURE 2-16: FIGURE 2-17: 0 -10 -20 -30 -40 -50 -60 -70 -80 100 1000 0.01 FIGURE 2-18: Rejection. = +25°C. A Line Transient Response. Load Transient Response. MCP73853 100 mVp 100 mA OUT X7R, Ceramic OUT 0 100 1000 Frequency (kHz) Power Supply Ripple 2004 Microchip Technology Inc. ...
Page 9
... Programming Resistor (R ). PROG 2004 Microchip Technology Inc (Typ mA, and T REG OUT 300 SET DD 295 290 285 280 275 270 265 260 255 250 0 ) vs. FIGURE 2-20: OUT Ambient Temperature (T MCP73853/55 = +25° SET 1.6 k PROG T (°C) A Charge Current (I ) vs. OUT ). A DS21915A-page 9 ...
Page 10
... 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 — — — — 3.1 Voltage Regulation Selection (V ) SET Connect to V for 4.1V regulation voltage. Connect for 4.2V regulation voltage. ...
Page 11
... Undervoltage Lock- out (UVLO) threshold, the enable pin must be above the logic high level, and the cell temperature monitor must be within the upper and lower thresholds (MCP73853 only). The qualification parameters are continuously monitored, with any deviation beyond the limits automat- ically suspending, or terminating, the charge cycle ...
Page 12
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 ...
Page 13
... V /4. THREF THREF 5.1.4 CELL TEMPERATURE SENSOR INPUT (THERM) The MCP73853 continuously monitors temperature by comparing the voltage between the THERM input and V with the upper and lower temperature thresholds negative or positive temperature coefficient, NTC or PTC thermistor and an external voltage divider typically develops this voltage ...
Page 14
... 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 The battery charge control output is the drain terminal of an internal P-channel MOSFET. The MCP7385X ...
Page 15
... Figure 6-1 depicts a typical stand-alone application circuit, while Figures 6-2 and 6-3 depict the accompanying charge profile. STAT1 EN V SS2 SET BAT3 DD1 BAT2 2 11 MCP73853 V V DD2 BAT1 SS1 SS3 PROG TIMER C R TIMER PROG R ...
Page 16
... 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 16 Constant-current Constant-voltage Mode Mode Charge Voltage Charge Current Fast Charge Safety Timer ...
Page 17
... PCB traces. If the PCB layout is used as a heatsink, adding many = 1.33W vias in the heatsink pad can help conduct more heat to the backplane of the PCB, thus reducing the maximum 2 pad of junction temperature. MCP73853/55 pin BAT SS mode. Therefore, the bypass ...
Page 18
... 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 1 is week ‘01’) NNN Alphanumeric traceability code ...
Page 19
... REF E .152 .157 .163 E2 .100 .106 .110 D .152 .157 .163 D2 .100 .106 .110 b .010 .012 .014 L .012 .016 .020 MCP73853/ BOTTOM VIEW MILLIMETERS* MIN NOM MAX 16 0.65 BSC 0.80 0.90 1.00 0.00 0.02 0.05 0.20 REF 3.85 4.00 4.15 2.55 2.70 2 ...
Page 20
... 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 Exposed Pad Length Overall Width Exposed Pad Width ...
Page 21
... Register on our web site (www.microchip.com) to receive the most current information on our products. 2004 Microchip Technology Inc. MCP73853/55 . Examples: a) MCP73853T-I/ML: Tape and Reel, USB compatible charge controller with tempera- ture monitor b) MCP73853-I/ML: USB compatible charge controller with tempera- ture monitor a) MCP73855T-I/MF: Tape and Reel, USB compatible charge controller b) MCP73855-I/MF: USB compatible charge ...
Page 22
... MCP73853/55 NOTES: DS21915A-page 22 2004 Microchip Technology Inc. ...
Page 23
... 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 24
... 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: 45-4450-2828 Fax: 45-4485-2829 France - Massy Tel: 33-1-69-53-63-20 ...