1. © Date: 10/07 vinvin Product Presentation High-Speed, Microcontroller-adaptable, PWM Controller MCP1631 October 2007

2. © Date: 10/07 vinvin

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4. © Date: 10/07 vinvin DC/DC Offering Switching Regulators TC110 Step-Up TC115 Step-Up MCP1601 Step-Down MCP1650/1/2/3 Step-Up Buck PFM/PWM Auto Switch MCP1602 Power Good Step-Down 500 mA Boost PFM/PWM TC105 Step-Down TC120 Step-Down TC1303/4 Switcher/LDO/PG TC1313 Switcher + LDO Buck PWM Only MCP1612 Step-Down 1.0 A MCP1603 SOT-23 Step-Down 500 mA MCP1631/V High Speed, MCU- adaptable MCP1630/V High Speed, MCU- adaptable PWM CONTROLLER

5. © Date: 10/07 vinvin MCP1631/V Part Numbering MCP1631VHVT-E/ML HV if High Voltage 6 to 16V 6 to 16V Otherwise 2.7 to 5.5V Packages: ML = QFN-20 SS = SSOP-20 ST = TSSOP-20 Part Type (MCP1631): Temp: E = -40C to +125C T&R V if voltage mode

6. © Date: 10/07 vinvin MCP1631 vs. MCP1630 l The MCP1631 offers integrated: l Comparator for over voltage detection l Voltage & current sense amplifiers l The MCP1631 offers Shutdown for portable designs l The MCP1631HV or MCP1631VHV offers operation from a 6V to 16V rail. l (MCP1631 non-HV same as MCP1630 3.0 to 5.5V rail.) l The MCP1631 offers integrated: l Comparator for over voltage detection l Voltage & current sense amplifiers l The MCP1631 offers Shutdown for portable designs l The MCP1631HV or MCP1631VHV offers operation from a 6V to 16V rail. l (MCP1631 non-HV same as MCP1630 3.0 to 5.5V rail.)

7. © Date: 10/07 vinvin MCP1631/V: High-Speed, MCU-adaptable PWM l What is it? l High-speed Pulse Width Modulator (PWM) l Analog PWM circuit designed to operate with a microcontroller in voltage-mode (MCP1631V) or current mode (MCP1631) control systems l Why ‘attach’? l With an MCU, the MCP1631 can be used to develop high-speed, intelligent power-system controls l Can be used to introduce digital controls into the analog PWM-function l What is it? l High-speed Pulse Width Modulator (PWM) l Analog PWM circuit designed to operate with a microcontroller in voltage-mode (MCP1631V) or current mode (MCP1631) control systems l Why ‘attach’? l With an MCU, the MCP1631 can be used to develop high-speed, intelligent power-system controls l Can be used to introduce digital controls into the analog PWM-function

8. © Date: 10/07 vinvin MCP1631/V: High-Speed, MCU-adaptable PWM l Device Functions l High Speed PWM (Pulse Width Modulator) l Generates Duty Cycle l Provides Fast Over-Current Protection l Utilizes Variable External Inputs (OSC IN, Ref) l Receives from the MCU l Clocking l Reference (or from an independent source) l Supports All SMPS Topology’s l Device Functions l High Speed PWM (Pulse Width Modulator) l Generates Duty Cycle l Provides Fast Over-Current Protection l Utilizes Variable External Inputs (OSC IN, Ref) l Receives from the MCU l Clocking l Reference (or from an independent source) l Supports All SMPS Topology’s

9. © Date: 10/07 vinvin MCP1631/V Attributes l Device Specifics l High-speed PWM operation featuring 8.5ns Current Sense-to-Output delay l Fast output rise and fall times: 2.5nS and 2.7nS, respectively l CMOS output driver (Drives MOSFET Driver IC or drives low-side N-Channel MOSFET transistor directly) l Packaging: 20ld QFN/TSSOP/SSOP l Extended operating temperature range: (-40°C to +125°C) l Device Specifics l High-speed PWM operation featuring 8.5ns Current Sense-to-Output delay l Fast output rise and fall times: 2.5nS and 2.7nS, respectively l CMOS output driver (Drives MOSFET Driver IC or drives low-side N-Channel MOSFET transistor directly) l Packaging: 20ld QFN/TSSOP/SSOP l Extended operating temperature range: (-40°C to +125°C)

10. © Date: 10/07 vinvin l Under Voltage Lock Out (UVLO) and Over temperature protection l Enhanced safety l Integrated voltage comparator, battery voltage and current amp, 1A MOSFET driver l Highly integrated PWM, to help reduce design cost and space l Available in small 4x4 QFN and standard 20- pin TSSOP and SSOP packages l Meets needs of both cutting-edge compact designs and traditional developments l Under Voltage Lock Out (UVLO) and Over temperature protection l Enhanced safety l Integrated voltage comparator, battery voltage and current amp, 1A MOSFET driver l Highly integrated PWM, to help reduce design cost and space l Available in small 4x4 QFN and standard 20- pin TSSOP and SSOP packages l Meets needs of both cutting-edge compact designs and traditional developments MCP1631 PWM: Key Features

11. © Date: 10/07 vinvin Unique Strengths – MCP1631/V l Small, leadless QFN: l So what?: smaller board space l Prove it: leadless packages have very low- profile and occupy smaller board space l High Frequency Switching: l So what?: Enables reduced board space designs l Prove it: Minimizes the physical size of the required external inductor and capacitors l Small, leadless QFN: l So what?: smaller board space l Prove it: leadless packages have very low- profile and occupy smaller board space l High Frequency Switching: l So what?: Enables reduced board space designs l Prove it: Minimizes the physical size of the required external inductor and capacitors

12. © Date: 10/07 vinvin MCP1631 PWM: Features, Benefits, Results Under Voltage Lock Out (UVLO) and Overtemperature protection Enhanced safetyFewer personal injuries and destruction of property SMPS input and output interface:  voltage comparator  battery-voltage and -current amplifier  1A MOSFET driver System needs available in single integration Reduced design costs, space Available in small, 4 mm x 4 mm QFN and standard 20-pin TSSOP and SSOP packages Meets the needs of both cutting-edge developments and traditional designs Appeals to both edge-pushing designs and installed base FeatureBenefitsResults

13. © Date: 10/07 vinvin MCP1631 PWM: Features, Benefits, Results (Cont’d) Capable of charging multiple battery chemistries: Li-Ion NiMH NiCd Pb-Acid One Charger does it allSimplify end-user equipment High-frequency SwitchingMinimizes physical size of required external inductor and capacitors Reduced board space High-voltage version (part # MCP1631HV) operates 6 V to 16 V, supplies built-in Linear Regulator (LDO); standard version (part # MCP1631) operates from 3.0 to 5.5V Can be directly connected to a 16V rail. Device of same function can be used for both 16V and 5V rail systems FeatureBenefitsResults

14. © Date: 10/07 vinvin MCP1631/V: High-Speed, MCU-adaptable PWM l Where used? l Power conversion applications that require: l Medium-to-High levels of intelligence where the required levels can be variable l High-speed: Optimally suited for applications >200 kHz, but can operate at any frequency up to 1.0 MHz l Application examples l DC-to-DC converters, multi-phase l Battery Chargers, NiMH and Li-Ion l Where used? l Power conversion applications that require: l Medium-to-High levels of intelligence where the required levels can be variable l High-speed: Optimally suited for applications >200 kHz, but can operate at any frequency up to 1.0 MHz l Application examples l DC-to-DC converters, multi-phase l Battery Chargers, NiMH and Li-Ion

15. © Date: 10/07 vinvin MCP1631/V: High-Speed, MCU-adaptable PWM l Potential Applications l Intelligent Power Systems l Multiple Output/Multiple Phase Converters l Smart Battery Chargers l Output Voltage Calibration l Parallel Power Supplies l Potential Applications l Intelligent Power Systems l Multiple Output/Multiple Phase Converters l Smart Battery Chargers l Output Voltage Calibration l Parallel Power Supplies

16. © Date: 10/07 vinvin Development Support: MCP1631 Battery Charger Reference Design l Part # MCP1631RD-MCC1  Includes MCP1631HV and PIC16F883 microcontroller  12V input  Charges 1- or 2-cell Li-Ion, or 1 - 4 NiMH batteries in series  Available for purchase today, for $50.00 at: www.microchipdirect.com l Part # MCP1631RD-MCC1  Includes MCP1631HV and PIC16F883 microcontroller  12V input  Charges 1- or 2-cell Li-Ion, or 1 - 4 NiMH batteries in series  Available for purchase today, for $50.00 at: www.microchipdirect.com

17. © Date: 10/07 vinvin Package Options, Pricing & Availability l Packages l 4 mm x 4 mm QFN l 20-pin TSSOP and SSOP l Pricing - $1.06 - $1.21 each in 10,000-unit l Samples available today at: http://sample.microchip.com http://sample.microchip.com l Volume production available today at: www.microchipdirect.com l Datasheet DS22063, Application note AN1137 DS01137 on the product page l Packages l 4 mm x 4 mm QFN l 20-pin TSSOP and SSOP l Pricing - $1.06 - $1.21 each in 10,000-unit l Samples available today at: http://sample.microchip.com http://sample.microchip.com l Volume production available today at: www.microchipdirect.com l Datasheet DS22063, Application note AN1137 DS01137 on the product page

18. © Date: 10/07 vinvin Thank You