Evaluation Board for ADP1614 Step-Up DC-to-DC Converter
Evaluation board guide for the ADP1614 step-up converter, featuring 650 kHz or 1.3 MHz frequencies, 4 A current limit, and 5 V or 15 V output configurations.
Overview
This user guide describes the evaluation board for the ADP1614, a high-efficiency (up to 94%) step-up DC-to-DC switching converter. The board supports input voltages from 2.5 V to 5.5 V and provides fixed output options of 5 V (ADP1614-650-EVALZ) and 15 V (ADP1614-1.3-EVALZ), which are adjustable via external feedback resistors. The document details hardware setup, performance evaluation for line and load regulation, and layout guidelines for optimizing efficiency and stability. It includes comprehensive schematics, PCB layout drawings, and a full bill of materials (BOM) specifying components like the ADP1614 controller, Coilcraft inductors, and Toshiba Schottky rectifiers.
Use Cases
- Battery-powered portable electronics
- Local voltage regulation and boosting
- Handheld medical devices
- LCD bias power supplies
- Efficiency testing for boost converter designs
Topics
Referenced Parts
PBC01SAAN2
Sullins
Headers, 0.100 in, single, straight, 1-pin
PBC03SAAN2
Sullins
Headers, 0.100 in, single, straight, 3-pin
RC0805FR-0760K4L
Yageo
Current limit set resistor, 60.4 kΩ, 0805, ±1%
RC0805FR-0760K4L
Yageo
1 R4 Current limit set resistor, 60.4 kΩ, 0805, ±1% Yageo RC0805FR-0760K4L
| ADP1614ACPZ-1.3-R7 | Analog Devices | ADP1614 step-up converter with fSW = 1.3 MHz |
| ADP1614ACPZ-650-R7 | Analog Devices | ADP1614 step-up converter with fSW = 650 kHz |
| XAL5030-472MEB | Coilcraft | Inductor, 4.7 μH, 4.3 A |
| XAL6060-103MEB | Coilcraft | Inductor, 10 μH, 5A |
| C0805C473K5RACTU | Kemet | Soft start capacitor, 47000 pF, 50 V, 0805, ±10% |
| GRM21BR61C106KE15L | Murata | Input capacitor, 10 μF, 16 V, 0805, ±10% |
| GRM21BR61E106KA73L | Murata | Output capacitors, 10 μF, 25 V, 0805, ±10% |
| ECJ2VC1H330J | Panasonic | Compensation capacitor, 33 pF, 50 V, 0805, ±5% |
| ERJ-6ENF1002V | Panasonic | Output voltage divider resistor, 10.0 kΩ, 0805, ±1% |
| ERJ-6ENF1103V | Panasonic | Output voltage divider resistor, 110.0 kΩ, 0805, ±1% |
| C2012X7R1H223K/0.60 | TDK | Compensation capacitor, 22000 pF, 50 V, 0805, ±10% |
| CMS05(TE12LQM) | Toshiba | Schottky rectifier, 30 V, 5 A |
| CRCW08051K00FKEA | Vishay | Compensation resistor, 1 kΩ, 0805, ±1% |
| CRCW080530K9FKEA | Vishay | Output voltage divider resistor, 30.9 kΩ, 0805, ±1% |
| CRCW080566K5FKEA | Vishay | Current limit set resistor, 66.5 kΩ, 0805, ±1% |
| 9C08052A2001FKHFT | Yageo | Compensation resistor, 2 kΩ, 0805, ±1% |
| CC0805JRNPO9BN180 | Yageo | Compensation capacitor, 18 pF, 50V, 0805, ±5% |
| PBC36SAAN | Sullins | Alternatively, PBC36SAAN can be purchased and cut as necessary. |
| C0805C473K5RACTU | Kemet | 1 C3 Compensation capacitor, 47000 pF, 50 V, 0805, ±10% Kemet C0805C473K5RACTU |
| C0805C473K5RACTU | Kemet | 1 C1 Soft start capacitor, 47000 pF, 50 V, 0805, ±10% Kemet C0805C473K5RACTU |
| 9C08052A2001FKHFT | Yageo | 1 R3 Compensation resistor, 2 kΩ, 0805, ±1% Yageo 9C08052A2001FKHFT |
| CC0805JRNPO9BN180 | Yageo | 1 C2 Compensation capacitor, 18 pF, 50V, 0805, ±5% Yageo CC0805JRNPO9BN180 |
| 125800D00000G | Aavid Thermalloy | Test point loop connectors |
| PBC01SAAN2 | Sullins | Headers, 0.100 in, single, straight, 1-pin |
| PBC03SAAN2 | Sullins | Headers, 0.100 in, single, straight, 3-pin |
| RC0805FR-0760K4L | Yageo | Current limit set resistor, 60.4 kΩ, 0805, ±1% |
| RC0805FR-0760K4L | Yageo | 1 R4 Current limit set resistor, 60.4 kΩ, 0805, ±1% Yageo RC0805FR-0760K4L |