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Overview
| Topology | SEPIC Buck-Boost Topology |
| Input voltage | 5-30 V |
| Output 1 | 30 V |
| IC revision | 1 |
Description
Microchip's MCP19215 Digitally Enhanced Power Analog (DEPA) controller [1] can perform all these tasks asa single-chip solution and is ideal for robust applications with added intelligence from the microcontrollercore.The chip is dual-channel, meaning in this particularapplication, it can charge the battery while the LEDlamp is on. Essentially, the application controls twoSEPIC converters that function independently, onecharges the battery while the other one drives a stringof LEDs. Each channel can control both voltage andcurrent. For the LED string, both the current and maximum voltage are controlled on the output side of theconverter. For the battery charging part, things aremore complicated because MPPT mechanisms mustbe incorporated
Features
Dual channel, for operating two power outputs from one controllerConstant-current or constant-voltage operation, with dynamic switching between those two control modes, and dynamic adjustment of the output levelCapable of bi-directional power supply controlWide input operating voltage range: 4.5-42VAnalog peak-current mode Pulse-Width Modulation (PWM) controlIntegrated 8-Bit PIC® MicrocontrollerComplete configurability: adjustable output voltage, output current, MOSFET deadtime, leading edge blanking time, thermal responses, slope compensation, over-current protection, over and under voltage lockout levelsAvailable fixed frequency operation from 31 kHz to 2 MHzI2C communication interface12 GPIOIntegrated low-side MOSFET driversIntegrated high voltage linear regulator, with external outputIntegrated temperature sense diodeIntegrated 10 bit A/D converterMinimal external components neededCustom algorithm supportTopologies supported: Boost, SEPIC, Flyback, and Cuk
Typical applications
- Solar MPPT Charger
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | Packaging | R | Tol. R | PRated(W) | TCR(ppm/ °C) | TCR(ppm/ °C) | VE(V) | Pins | Type | Mount | IR(A) | Working Voltage(V (AC)) | L1(µH) | L2(µH) | n | IR(A) | IR 2(A) | ISAT1(A) | ISAT2(A) | RDC1 max(mΩ) | RDC2 max(mΩ) | LS(µH) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 50 V(DC), 220 pF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance220 pF | Capacitance±10% | Rated Voltage50 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor2.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 16 V(DC), 15 nF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 16 V(DC) | Capacitance15 nF | Capacitance±10% | Rated Voltage16 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), 47 nF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance47 nF | Capacitance±10% | Rated Voltage50 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), 100 nF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance100 nF | Capacitance±10% | Rated Voltage50 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3 % | Insulation Resistance5 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), 1 µF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance1 µF | Capacitance±10% | Rated Voltage50 V (DC) | Size0805 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor10 % | Insulation Resistance0.1 GΩ | Ceramic TypeX7R Class II | Length2 mm | Width1.25 mm | Height1.25 mm | Pad Dimension0.5 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), 4.7 µF, ±20% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 25 V(DC) | Capacitance4.7 µF | Capacitance±20% | Rated Voltage25 V (DC) | Size0805 | Operating Temperature -55 °C up to +85 °C | Dissipation Factor10 % | Insulation Resistance0.02 GΩ | Ceramic TypeX5R Class II | Length2 mm | Width1.25 mm | Height1.25 mm | Pad Dimension0.5 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | |||||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | Insulation Resistance1000 MΩ | – | Length10.16 mm | – | – | – | PackagingBag | – | – | – | – | – | – | Pins4 | TypeStraight | MountTHT | Rated Current3 A | Working Voltage250 V (AC) | – | – | – | – | – | – | – | – | – | – | |||
 | WE-MCRI SMT Molded Coupled Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MCRI SMT Molded Coupled Inductor | – | – | Rated Voltage60 V (DC) | Size1090 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length11 mm | Width10 mm | Height9 mm | – | – | – | – | – | – | – | – | – | – | – | Rated Current5.9 A | – | Inductance 14.7 µH | Inductance 24.7 µH | Turns Ratio1:1 | Rated Current5.9 A | Rated Current 25.9 A | Saturation Current 124.2 A | Saturation Current 224.2 A | DC Resistance 140 mΩ | DC Resistance 240 mΩ | Leakage Inductance0.235 µH | ||||
 | WRIS-RSKS Thick Film Resistors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWRIS-RSKS Thick Film Resistors | – | – | – | Size0603 | Operating Temperature -55 °C up to +155 °C | – | – | – | Length1.6 mm | Width0.8 mm | Height0.45 mm | – | – | Resistance100 Ω | Resistance±1% | Rated Power0.1 W | Temperature Coefficient of Resistance (min.)-100 ppm/ °C | Temperature Coefficient of Resistance (max.)100 ppm/ °C | Limiting Element Voltage75 V | – | – | MountSMT | – | – | – | – | – | – | – | – | – | – | – | – | ||||
| WRIS-RSKS Thick Film Resistors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWRIS-RSKS Thick Film Resistors | – | – | – | Size0603 | Operating Temperature -55 °C up to +155 °C | – | – | – | Length1.6 mm | Width0.8 mm | Height0.45 mm | – | – | Resistance1 kΩ | Resistance±1% | Rated Power0.1 W | Temperature Coefficient of Resistance (min.)-100 ppm/ °C | Temperature Coefficient of Resistance (max.)100 ppm/ °C | Limiting Element Voltage75 V | – | – | MountSMT | – | – | – | – | – | – | – | – | – | – | – | – | ||||
| WRIS-RSKS Thick Film Resistors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWRIS-RSKS Thick Film Resistors | – | – | – | Size0603 | Operating Temperature -55 °C up to +155 °C | – | – | – | Length1.6 mm | Width0.8 mm | Height0.45 mm | – | – | Resistance39 kΩ | Resistance±1% | Rated Power0.1 W | Temperature Coefficient of Resistance (min.)-100 ppm/ °C | Temperature Coefficient of Resistance (max.)100 ppm/ °C | Limiting Element Voltage75 V | – | – | MountSMT | – | – | – | – | – | – | – | – | – | – | – | – | ||||
| WRIS-RSKS Thick Film Resistors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWRIS-RSKS Thick Film Resistors | – | – | – | Size0603 | Operating Temperature -55 °C up to +155 °C | – | – | – | Length1.6 mm | Width0.8 mm | Height0.45 mm | – | – | Resistance220 Ω | Resistance±1% | Rated Power0.1 W | Temperature Coefficient of Resistance (min.)-100 ppm/ °C | Temperature Coefficient of Resistance (max.)100 ppm/ °C | Limiting Element Voltage75 V | – | – | MountSMT | – | – | – | – | – | – | – | – | – | – | – | – | ||||
| WRIS-RSKS Thick Film Resistors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWRIS-RSKS Thick Film Resistors | – | – | – | Size1206 | Operating Temperature -55 °C up to +155 °C | – | – | – | Length3.1 mm | Width1.6 mm | Height0.6 mm | – | – | Resistance20 Ω | Resistance±1% | Rated Power0.25 W | Temperature Coefficient of Resistance (min.)-100 ppm/ °C | Temperature Coefficient of Resistance (max.)100 ppm/ °C | Limiting Element Voltage200 V | – | – | MountSMT | – | – | – | – | – | – | – | – | – | – | – | – | ||||
| WRIS-RSKS Thick Film Resistors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWRIS-RSKS Thick Film Resistors | – | – | – | Size0603 | Operating Temperature -55 °C up to +155 °C | – | – | – | Length1.6 mm | Width0.8 mm | Height0.45 mm | – | – | Resistance4.7 kΩ | Resistance±1% | Rated Power0.1 W | Temperature Coefficient of Resistance (min.)-100 ppm/ °C | Temperature Coefficient of Resistance (max.)100 ppm/ °C | Limiting Element Voltage75 V | – | – | MountSMT | – | – | – | – | – | – | – | – | – | – | – | – |