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Overview
| Topology | Buck-Boost Converter |
| Input voltage | 8-18 V |
| Output 1 | 20 V / 2 A |
Description
The Four-Switch Buck-Boost Development Board (4SW-BB) is a generic development board for this topology that supports rapid prototyping and code development based on dsPIC33 devices.The board provides organized building blocks that include an input filter, power stage, AUX supply, mating socket for Microchip’s newest Digital Power Plug-In Modules (DP-PIMs), Human Machine Interface (HMI) and test points. The electrical characteristics are applicable to automotive requirements and can be used for these applications as well.For example, input power can be a standard 12V vehicle power rail and operate within the automotive ambient temperature range. A mating socket for dsPIC33 Plug-In Modules allows the system to be evaluated with different controllers.The pinout is compatible for EP,CK and CH dsPIC® DSC DP PIMs.
Features
- DC Input Connectors:
- 4 mm banana plugs
- 2 mm power barrel jack
- Input filter, overvoltage protection.
- Four-switch power converter with gate drivers:
- Left Leg-Buck, Right Leg-Boost
- Output filter.
- Output connector.
- Auxiliary power supply.
- Output current shunt amplifier.
- Test points for outer loop measurements.
- HMI interface (push buttons and two LEDs).
- dsPIC33-DSC DP-PIM socket with test points at the edge of the board.
- AUX connector.
- GND surface for ground clips connection
Typical applications
- Medical and Health Care
- Set-Top Boxes, Consumer
- SLA Battery Powered Devices
- Automotive
- PIC MCU/dsPIC DSC Microcontroller Bias Supply, Distributed Power Supplies, AC-DC Digital Control Power Source,
- 48V,24V and 12V Industrial Input DC-DC Conversion, DSL Cable Modems, AC.DC Adapters, Power Meters
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins (Value) (pcs) | Mount | IR (mA) | IR (mA) | Working Voltage (V (DC)) | Packaging | L (µH) | IRP,40K (A) | ISAT (A) | fres (MHz) | Size | Version | C | VR (V (DC)) | Endurance (h) | Operating Temperature | IRIPPLE (mA) | RESR (mΩ) | ILeak (µA) | DF (%) | Ø D (mm) | L (mm) | H (mm) | Operation Force (Value) (g) | Electrical Life (Cycles) | Actuator Color | Vaporphase process | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR 2 (mA) | RDC max. (mΩ) | Type | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7447786122 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PD SMT Power Inductor | 2 | SMT | – | – | – | – | 22 | 2.1 | 1.3 | 15 | 6050 | Robust | – | – | – | -40 °C up to +125 °C | – | – | – | – | – | 5.9 | 5 | – | – | – | – | – | – | – | – | 115 | – | ||
 | 742792116 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CBF SMT EMI Suppression Ferrite Bead | – | SMT | 1800 | 2500 | – | – | – | – | – | – | 1206 | SMT | – | – | – | -55 °C up to +125 °C | – | – | – | – | – | 3.2 | 1.1 | – | – | – | – | 500 | 610 | 150 MHz | 2500 | 60 | High Current | ||
 | 694106301002 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-DC DC Power Jack Right Angled Ø 6.4 | – | THT | 5000 | 5000 | 30 | Bag | – | – | – | – | – | – | – | – | – | -40 °C up to +85 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Right Angled | |
 | 875075661009 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-PSLC Aluminum Polymer Capacitors | – | V-Chip SMT | – | – | – | 15" Tape & Reel | – | – | – | – | 10.0 x 12.4 | – | 270 µF | 35 | 2000 | -55 °C up to +105 °C | 4400 | 20 | 1890 | 12 | 10 | 12.4 | – | – | – | – | – | – | – | – | – | – | – | ||
 | 434123025826 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WS-TASV J-Bend SMT Tact Switch 4.2x3.2 mm | – | – | 50 | 50 | – | Tape and Reel | – | – | – | – | – | – | – | 16 | – | -40 °C up to +85 °C | – | – | – | – | – | – | 2.5 | 260 | 50000 | White | not specified | – | – | – | – | – | – | |
| 7447706100 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PD SMT Power Inductor | – | SMT | 5800 | – | – | – | 10 | – | 7.8 | 17.6 | 1260 | Performance | – | – | – | – | – | – | – | – | – | 12 | 6 | – | – | – | – | – | – | – | – | 20 | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7447786122 | SPEC | |
| 742792116 | SPEC | |
| 694106301002 | SPEC | – |
| 875075661009 | SPEC | |
| 434123025826 | SPEC | – |
| 7447706100 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins (Value) (pcs) | Mount | IR (mA) | IR (mA) | Working Voltage (V (DC)) | Packaging | L (µH) | IRP,40K (A) | ISAT (A) | fres (MHz) | Size | Version | C | VR (V (DC)) | Endurance (h) | Operating Temperature | IRIPPLE (mA) | RESR (mΩ) | ILeak (µA) | DF (%) | Ø D (mm) | L (mm) | H (mm) | Operation Force (Value) (g) | Electrical Life (Cycles) | Actuator Color | Vaporphase process | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR 2 (mA) | RDC max. (mΩ) | Type | Samples |
|---|