MCP1631HV-500E/ST Microchip Technology, MCP1631HV-500E/ST Datasheet
MCP1631HV-500E/ST
Specifications of MCP1631HV-500E/ST
Related parts for MCP1631HV-500E/ST
MCP1631HV-500E/ST Summary of contents
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... Microchip Technology Inc. MCP1631HV Multi-Chemistry Battery Charger Reference Design DS51791A ...
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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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... Recommended Reading........................................................................................ 3 The Microchip Web Site ........................................................................................ 3 Customer Support ................................................................................................. 3 Document Revision History ................................................................................... 3 Chapter 1. Product Overview 1.1 Introduction ..................................................................................................... 5 1.2 What is the MCP1631HV Multi-Chemistry Battery Charger Reference Design? ................................................................................... 6 1.3 What the MCP1631HV Multi-Chemistry Battery Charger Reference Design kit includes .................................................................. 6 Chapter 2. Installation and Operation 2.1 Introduction ..................................................................................................... 7 2 ...
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... MCP1631HV Multi-Chemistry Battery Charger Reference Design Appendix D. Design Example D.1 Design Example ........................................................................................... 47 Worldwide Sales and Service .....................................................................................50 DS51791A-page iv © 2009 Microchip Technology Inc. ...
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... This document describes how to use the MCP1631HV Multi-Chemistry Battery Charger Reference Design. The manual layout is as follows: • Chapter 1. “Product Overview” – Important information about the MCP1631HV Multi-Chemistry Battery Charger Reference Design. • Chapter 2. “Installation and Operation” – Includes instructions on how to get started with this user’ ...
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... MCP1631HV Multi-Chemistry Battery Charger Reference Design CONVENTIONS USED IN THIS GUIDE This manual uses the following documentation conventions: DOCUMENTATION CONVENTIONS Description Arial font: Italic characters Initial caps Quotes Underlined, italic text with right angle bracket Bold characters ‘bnnnn Text in angle brackets < > ...
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... RECOMMENDED READING This user's guide describes how to use MCP1631HV Multi-Chemistry Battery Charger Reference Design. The following Microchip documents are available on our web site (www.microchip.com) and recommended as supplemental reference resources. MCP1631 Data Sheet, "High-Speed, Microcontroller-Adaptable, Pulse Width Modulator", DS22063A This data sheet provides detailed information regarding the MCP1631/MCP1631V, MCP1631HV and MCP1631VHV product family. PIC16F883 Data Sheet, " ...
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... MCP1631HV Multi-Chemistry Battery Charger Reference Design NOTES: DS51791A-page 4 © 2009 Microchip Technology Inc. ...
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... Chapter 1. Product Overview 1.1 INTRODUCTION The MCP1631HV Multi-Chemistry reference design board is used to charge one to five NiMH or NiCd batteries, charge one or two cell Li-Ion batteries, or drive one or two 1W LEDs. The board uses the MCP1631HV high speed analog PWM and PIC16F883 to generate the charge algorithm for NiMH, NiCd or Li-Ion batteries. ...
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... WHAT IS THE MCP1631HV MULTI-CHEMISTRY BATTERY CHARGER REFERENCE DESIGN? The MCP1631HV Multi-Chemistry Battery Charger is a complete stand-alone battery charger for NiMH, NiCd or Li-Ion battery packs. The board may also be used to drive LED devices using constant current mode. When charging NiMH or NiCd batteries the reference design is capable of charging one to five batteries connected in series ...
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... Pulse Width Modulator (PWM), MCP1631HV, used in a multi-chemistry battery charger application. When used in conjunction with a microcontroller, the MCP1631HV will control the power system duty cycle to provide output voltage or current regulation. The PIC16F883 microcontroller can be used to regulate output voltage or set current, switching frequency and maximum duty cycle. The MCP1631HV generates the duty cycle and provides fast overcurrent protection based upon various external inputs ...
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... FIGURE 2-2: NiMH/NiCd. DS51791A-page 8 1 Cell 3,600 mA-hr Li-Ion Battery Time (Minutes) MCP1631HV Multi-Chemistry Battery Charger Charge Profile, 3 Cell 2,000 mA-hr NiMH Batteries Time (Minutes) MCP1631HV Multi-Chemistry Battery Charger Charge Profile © 2009 Microchip Technology Inc. ...
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... APPLYING A LOAD TO THE MCP1631HV MULTI-CHEMISTRY BATTERY CHARGER 1. To apply a load (battery pack), to the MCP1631HV Multi-Chemistry Battery Charger, the positive side of the battery pack (B+) should be connected to pin 1 of J2. The negative side of the load (B-) should be connected to pin 5 of J2. 2. For NiMH or NiCd battery packs, a thermistor referenced to (B-) in the battery pack should be utilized ...
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... MCP1631HV Multi-Chemistry Battery Charger Reference Design V BAT+ V BAT– FIGURE 2-4: 2.3.1.3 SELECTING BATTERY CHEMISTRY AND NUMBER OF CELLS • Three push buttons are used to start a charge cycle, select chemistry and select number of series cells. There are two LEDs, (red - NiMH, green - Li-Ion, red + green - LED Driver) used to indicate chemistry type and four yellow LEDs to indicate the number of series cells selected (D6, D7, D8, D9) ...
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... STATUS LED The MCP1631HV Multi-Chemistry Battery Charger has an LED to indicate charge status or fault status. Table 2-1 represents the state of the Status, Chemistry, and Display LEDs during various states of the charge cycle. TABLE 2-1: LED INDICATOR TABLE Mode Status Power-Up OFF ...
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... MCP1631HV Multi-Chemistry Battery Charger Reference Design 2.3.1.5 CHARGE PROFILE • Li-Ion - Qualification: Precharge at 200 mA for V - Constant Current = 2A for 1 Cell, 1A for 2 Cell - Constant Voltage = 4.20V, User Calibrated - Charge Termination = 140 mA for 1 Cell and 2 Cell - Overvoltage Detection, once detected, attempt to restart charge cycle 5 times, if overvoltage is persistent, terminate attempts and flash STATUS LED. • ...
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... Board – Bottom Silk Layer • Board – Top Metal Layer • Board – Mid1 Metal Layer • Board – Mid2 Metal Layer • Board – Bottom Metal Layer © 2009 Microchip Technology Inc. MCP1631HV MULTI-CHEMISTRY BATTERY CHARGER REFERENCE DESIGN DS51791A-page 13 ...
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... MCP1631HV Multi-Chemistry Battery Charger Reference Design A.2 BOARD – SCHEMATIC DS51791A-page 14 © 2009 Microchip Technology Inc. ...
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... A.3 BOARD – TOP SILK LAYER © 2009 Microchip Technology Inc. Schematic and Layout DS51791A-page 15 ...
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... MCP1631HV Multi-Chemistry Battery Charger Reference Design A.4 BOARD – BOTTOM SILK LAYER DS51791A-page 16 © 2009 Microchip Technology Inc. ...
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... A.5 BOARD – TOP METAL LAYER © 2009 Microchip Technology Inc. Schematic and Layout DS51791A-page 17 ...
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... MCP1631HV Multi-Chemistry Battery Charger Reference Design A.6 BOARD – MID1 METAL LAYER DS51791A-page 18 © 2009 Microchip Technology Inc. ...
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... A.7 BOARD – MID2 METAL LAYER © 2009 Microchip Technology Inc. Schematic and Layout DS51791A-page 19 ...
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... MCP1631HV Multi-Chemistry Battery Charger Reference Design A.8 BOARD – BOTTOM METAL LAYER DS51791A-page 20 © 2009 Microchip Technology Inc. ...
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... RoHS Compliant Bare PCB, MCP1631 Multi-Chemistry Charger with Buck-Boost The components listed in this Bill of Materials are representative of the PCB assembly. The released BOM Note 1: used in manufacturing uses all RoHS-compliant components. © 2009 Microchip Technology Inc. MCP1631HV MULTI-CHEMISTRY BATTERY CHARGER REFERENCE DESIGN Description Manufacturer 3M ® ...
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... Panasonic - ECG Panasonic - ECG Panasonic - ECG Panasonic - ECG Panasonic - ECG Panasonic - ECG Panasonic - ECG Panasonic - ECG Panasonic - ECG Panasonic - ECG E-Switch Keystone Electronics Microchip Technology Inc. MCP1631HV-500E/ST Microchip Technology Inc. PIC16F883-I/SS Part Number IRF7807VTRPBF ® NDS7002A ERJ-6ENF1001V ERJ-6ENF3013V ERJ-6ENF10R0V ERJ-6ENF1003V ERJ-6ENF3921V ERJ-6ENF1002V ...
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... C.1 DEVICE SOFTWARE FLOWCHART For the latest copy of the MCP1631HV Multi-Chemistry Battery Charger Reference Design firmware, visit our web site at www.microchip.com. C.1.1 Software Functions C.1.1.1 INTERRUPT() Update LED's Update One Second flag Clear Timer 0 Interrupt Flag © 2009 Microchip Technology Inc. ...
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... MCP1631HV Multi-Chemistry Battery Charger Reference Design C.1.1.2 MAIN() C.1.1.3 SAMPLEADC() DS51791A-page 24 Main () Initialize Processor Initialize Parameters Y Read SampleADC() A/ CheckModeChange() OFF? Y DoOneSecondTasks() Second ? Update LED's SampleADC() Running_Sum += ReadADCChannel Average Samples and Store Samples? Select Next A/D Channel Ret © 2009 Microchip Technology Inc. ...
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... C.1.1.4 READADCCHANNEL() C.1.1.5 CHECKMODECHANGE() CheckModeChange() © 2009 Microchip Technology Inc. ReadADCChannel() Select Channel MUX Delay 5 µs Start Conversion N Complete? Return Result Y On/Off Hold for 5 seconds to enter Config Mode Pressed? Y Config? Y State = Startup ON? Initialize parameters Ret Software Setup() SetParameters() DS51791A-page 25 ...
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... MCP1631HV Multi-Chemistry Battery Charger Reference Design C.1.1.6 SETPARAMETERS() Setup NiMH Parameters C.1.1.7 SETIREF() DS51791A-page 26 SetParameters() NiMH/NiCd Li-Ion Chemistry? LED Driver Setup LED Parameters Ret SetIRef(IRef) N Limit IRef to Min/Max Boundaries IRef = 0? Pause PWM Timer 1 Shutdown Timer 1 Ref Current = 0 Setup Timer 1 Reload Variables ...
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... C.1.1.8 SETUP() Setup() ON/OFF_SW? A C.1.1.9 INCREMENTIREF() © 2009 Microchip Technology Inc CHEM_SW? Next Chemistry Y CELLS_SW? Calibrate? Increment Number of Cells B IncrementIRef(int inc) N inc = 0? SetIRef Ret Software Li-Ion Calibration Apply 4.2V Reference To Battery Connector Y Turn On 4 DISPLAY and 2 CHEM LED's Average 16 A/D Battery ...
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... MCP1631HV Multi-Chemistry Battery Charger Reference Design C.1.1.10 DOONESECONDTASKS() DS51791A-page 28 DoOneSecondTasks() Decrement Charge Timer Update Chemistry LED's Over- Y State = OV Voltage? A DoOneSecondTasks State = OFF OT Count OT? Cause = OTP = 0? Decrement OT Count B C © 2009 Microchip Technology Inc. ...
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... Switch (State) © 2009 Microchip Technology Inc. DoOneSecondTasks OPEN OT Count THERMISTOR Reload OT Count Decrement OT Count (NiMH or MiCD compilations only) C DoOneSecondTasks STARTUP Charge State = ON Timer Charge Timer = Charge Timeout = 0? SHDN = 0 OTCount = OTP Retries SetIRef() D Software State = OFF Cause = OPEN_T DS51791A-page 29 ...
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... MCP1631HV Multi-Chemistry Battery Charger Reference Design E Switch (State) F DS51791A-page 30 DoOneSecondTasks Cause = 0 SHDN = 1 Reference Current MAX = Condition Current Reference Current MIN = 2 Switch (State) SetIRef(ConditionCurrent) State = QUALIFICATION STATUS LED = ON E DoOneSecondTasks() QUALIFICATION V Y BAT >= Initialize Condition Variables Voltage? SetIRef(Initial) State = LI_CC N Li-Ion? Y IRefMax Y < ...
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... Switch (State) © 2009 Microchip Technology Inc. DoOneSecondTasks() F NM_CC IncrementIRef() Update Peak Voltage Check for V/ t Check for T/ t Check Termination Flags Last Bat = Bat Last Temp = Temp Check For Charge Timer Timeout G G NM_TOPOFF Charge Timer = 0? Switch (State) H Software Cause = V/ t ...
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... MCP1631HV Multi-Chemistry Battery Charger Reference Design DS51791A-page 32 DoOneSecondTasks() H Battery LI_CC < Charge Voltage ? Switch (State) State = LI_CV IRefMin = ChargeTermination Charge Timer = 0? I DoOneSecondTasks Battery LI_CV >= Charge Voltage ? Switch (State) IRef < Termination ? Y Charge Timer = IncrementIREF() Y State = OFF Y IncrementIRef(-Value) Y State = OFF Status LED = OFF State = OFF © ...
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... Switch (State) © 2009 Microchip Technology Inc. DoOneSecondTasks() J LED_CC Y CHEM CELLS SW ? Reset Over Voltage Retry K DoOneSecondTasks() K SHDN = 0 OV SetIRef(0) ChargeTimer = 2 seconds Switch (State Count = 0? Decrement OV Count State = STARTUP L L Software IncrementIRef(+Value) IncrementIRef(-Value) State = OFF Cause = OVP DS51791A-page 33 ...
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... Voltage reference resistor divider highside resistor value (divider at PIC port C1). 8. R34 = ((float)(39.6)) Voltage reference resistor divider lowside resistor value (divider at PIC port C1). 9. MCP1631_ISIN_AMPLIFICATION = 10.0 MCP1631HV ISin Current Sense Input amplification. 10. R6 ((float)(0.22)) = Current Sense (ISin) Resistor 11. R7 ((float)(0.22)) = Current Sense (ISin) Resistor DS51791A-page 34 ...
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... Noise level at VSOUT input to the A/D converter in mV. Approximately noise. Used to offset readings. 29. DVDT_MV_PER_CELL = ((float) 6.0 ) Termination due to change in voltage per cell in millivolts over a 60 second interval. Termination Deadband for battery voltage dropoff after peak detect. © 2009 Microchip Technology Inc. Software DS51791A-page 35 ...
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... MCP1631HV Multi-Chemistry Battery Charger Reference Design 30. EE_CHEMISTRY_DEFAULT = LiIon Default Chemistry. 31. EE_NUMBER_OF_CELLS_DEFAULT = 2 Default number of cells value. 32. EE_LION_CAL_VOLTAGE_DEFAULT = ((int)((float)(4200.00 / BATTERY_MV_PER_BIT))) Default Lithium Ion battery calibration value. 33. EE_CHARGE_TIMEOUT_DEFAULT = (5*60*60) Maximum charging time. NiMH = Use (C rating in mAh/Charge Current) + 1hr Topoff + 0.25hr pre-condition) *60 sec * 60 min Lithium Ion = Use about 2 ...
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... LED_4_CELL: MS Bit ‘3’ LED Hex display output In-Circuit Serial Programming CLOCK Line In-Circuit Serial Programming DATA Line PWM_CURRENT_REF_OUT: Current Reference PWM output to MCP1631HV VREF input OSC_OUT: Oscillator PWM output to MCP1631HV OSCin input STATUS_LED: Status’ LED output ™ USART Transmit port. PICkit Serial Analyzer interface. ...
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... MCP1631HV Multi-Chemistry Battery Charger Reference Design C.4 mikroElektronika’s mikroC™ COMPILER STARTUP 1. Startup mikroC http://www.mikroe.com). 2. From the toolbar, select “Project | Open Project”. 3. Browse to the evaluation board source code path. 4. Select the existing project file, named “MCP1631HVBuckBoostBatteryChargerReferenceDesign.ppc”. 5. From the toolbar, select : “Project | Edit Project”. The page contains Processor, Clock, and Config settings. 6. From the toolbar, select: “ ...
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... When debugging the battery charger board, be careful when setting breakpoints. If the breakpoint occurs while the Voltage Reference PWM is HIGH, the V to about 2.5V. The MCP1631HV will then attempt to supply the current for the given V , which will be high (about 2.5V / 1.1 = 2.27A). The current is limited by the V ...
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... MCP1631HV Multi-Chemistry Battery Charger Reference Design C.6 LAB EXERCISES 1. Startup the mikroC “MCP1631HVBuckBoostBatteryChargerReferenceDesign.ppc” does not load up automatically. 2. Startup MPLAB and load the “MCP1631HVBuckBoostBatteryChargerReferenceDesign.mcw” workspace if it does not start up automatically. C.6.1 Li-Ion Only Exercise (single cell, 1200 mAh pack the mikroC the ‘ ...
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... V = TP3 REF - PWM = TP4 - Oscillator = TP5 - VS = TP6 OUT - Slope Compensation = TP7 - Temperature = TP8 (if used TP9 - Drain Voltage = TP10 - Output Voltage = TP11 38. Press the “ON/OFF” button. The charger will stop charging the battery. © 2009 Microchip Technology Inc. Software DS51791A-page 41 ...
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... MCP1631HV Multi-Chemistry Battery Charger Reference Design C.6.2 NiMH Lab Exercise (3 Cell, 700 mAh pack, with thermistor the mikroC the ‘.H’ file list. 2. Double click on the “MULTICHEMISTRY_REF_DESIGN_BOARD_102_00232.H” file to open it. 3. Scroll through the header file and locate “#define LION_SUPPORT”. ...
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... A.3 “Board – Top Silk Layer” and probe the following components TP3 REF - PWM = TP4 - Oscillator = TP5 - VS = TP6 OUT - Slope Compensation = TP7 - Temperature = TP8 - FB = TP9 - Drain Voltage = TP10 - Output Voltage = TP11 33. Press the “ON/OFF” button. The charger will stop charging the battery. © 2009 Microchip Technology Inc. Software DS51791A-page 43 ...
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... MCP1631HV Multi-Chemistry Battery Charger Reference Design C.6.3 LED Driver Lab Exercise (Two 1 Watt LED’s in series the mikroC the ‘.H’ file list. 2. Double click on the “MULTICHEMISTRY_REF_DESIGN_BOARD_102_00232.H” file to open it. 3. Scroll through the header file and locate “#define LION_SUPPORT”. ...
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... V = TP3 REF - PWM = TP4 - Oscillator = TP5 - VS = TP6 OUT - Slope Compensation = TP7 - Temperature = TP8 (if used TP9 - Drain Voltage = TP10 - Output Voltage = TP11 30. Press the “ON/OFF” button. The charger will stop charging the battery. © 2009 Microchip Technology Inc. Software DS51791A-page 45 ...
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... MCP1631HV Multi-Chemistry Battery Charger Reference Design NOTES: DS51791A-page 46 © 2009 Microchip Technology Inc. ...
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... Appendix D. Design Example D.1 DESIGN EXAMPLE D.1.1 Design Parameters: • 10W (typical) OUT • 16V for MCP1631HV. Choose V IN • 8.4V for two Li-Ion batteries or 6.6V for four NiMH batteries OUT • 1.5A for 4 NiMH batteries. Choose DI OUT • η = Switcher Efficiency @ 80% (typical) • ...
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... SQRT (I RMS = SQRT (0.750 = 1.94A • Worst-Case Capacitor Current is 1.94A. Choose a capacitor that is rated for at least the worst-case current. © 2009 Microchip Technology Inc. = τ 15.13 µs/1500 pF Artificial Ramp Artificial Ramp = 10 kΩ (max), use around 5.6 kΩ to 9.1 kΩ for tolerances An R value of 5.6 kΩ ...
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... NOTES: © 2009 Microchip Technology Inc. Design Example DS51791A-page 49 ...
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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 © 2009 Microchip Technology Inc. EUROPE Austria - Wels Tel: 43-7242-2244-39 Fax: 43-7242-2244-393 Denmark - Copenhagen Tel: 45-4450-2828 Fax: 45-4485-2829 France - Paris Tel: 33-1-69-53-63-20 ...