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Texas Instruments LM25190-Q1 | Demoboard LM25190QEVM-2100
LM25190-Q1 CCCV Buck Controller Evaluation Module
Overview
| Topology | Buck Converter |
| Input voltage | 5.5-42 V |
| Output 1 | 5 V / 5 A |
Description
The LM25190QEVM-2100 evaluation module (EVM) is a synchronous buck DC/DC regulator with constantcurrent constant-voltage (CCCV) regulation. The EVM operates over a wide input voltage range of 5.5V to 42V (at J1 VIN terminal), providing a regulated current of 5A in CC mode and a regulated voltage of 5V in CV mode. The regulation target of the average inductor current is programmed by ISET and the output voltage is adjusted by modifying the feedback resistors.
Features
Wide input voltage operating range– 5.5V to 42V: VIN terminal
- 5V output as a default. The EVM providesfootprints for fixed 12V, 5V, or adjustable outputvoltage.
- Adjustable average inductor current using ISET
- Inductor current monitor using IMON
- Integrated standard MOSFET gate drivers
- 35µA standby current at VSUPPLY = 12V (BIAS isnot connected to VOUT)
- Full-load efficiency of 92% at VSUPPLY = 12V
- 2100kHz switching frequency with optionalexternal clock synchronization
- Dual-random spread spectrum
- Integrated slope compensation
- Forced PWM (FPWM) or pulsed-frequencymodulation (PFM) operation
- Overcurrent protection (OCP) with hiccup mode forabnormal overload conditions
- Power-Good indicator with pullup resistor to VCC
- Internal 2.75ms soft start in CV mode
- CC mode soft start using CISET capacitor
- Thermally efficient layout with 6-layer 2oz PCB
Typical applications
- Server battery-backup unit (BBU)
- Super capacitor energy backup
- Power tools
- E-bikes
- Energy storage system and solar energy
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins | PCB/Cable/Panel | Modularity | Type | Wire Section | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | Packaging | Mount | IR(A) | Working Voltage(V (AC)) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WR-TBL Series 2535 - 5.08 mm Horizontal Entry Modular w. Rising Cage Clamp, 2, Rising Cage Clamp | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Pins2 | PCB/Cable/PanelPCB | ModularityYes | TypeHorizontal | Wire Section 12 to 30 (AWG) 0.05 to 3.31 (mm²) | – | – | – | – | Operating Temperature -30 °C up to +120 °C | – | – | – | Length10.16 mm | – | – | – | PackagingBox | MountTHT | Rated Current24 A | Working Voltage450 V (AC) | ||||
 | WR-PHD Pin Header - Single, 3, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | Pins3 | – | – | TypeStraight | – | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | Insulation Resistance1000 MΩ | – | Length7.62 mm | – | – | – | PackagingBag | MountTHT | Rated Current3 A | Working Voltage250 V (AC) | |||
| WCAP-CSGP MLCCs 100 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 100 V(DC) | – | – | – | – | – | Capacitance10 nF | Capacitance±10% | Rated Voltage100 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 | – | – | – |