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Onsemi NCP3064 | Demoboard SECO-LVDCDC-3064-IGBTGEVB
6 - 18 Vdc Input Isolated IGBT Gate Driver Supply +15 V / -7.5 V / 7.5 V with Automotive Qualified NCV3064 Controller Evaluation Board User's Manual
Overview
| Topology | Flyback Converter |
| Input voltage | 6-18 V |
| Switching frequency | 150 kHz |
| Output 1 | 15 V / 0.05 A |
Description
The SECO−LVDCDC−3064−IGBT−GEVB is an isolated supply for IGBT drivers, providing the necessary stable voltage rails −7.5 V / 15 V for an efficient switching − as well as an additional 7.5 V rail − over a wide input voltage range (6 Vdc to 18 Vdc). The converter is implemented as a primary side regulated flyback, with the feedback loop signal (1.25 V) realized via an auxiliary winding regulated at 5 V and a voltage divider. The design leverages the several merits of the NCV3064 regulator, enabling a low component count, compact and robust design. Among the features of this converter stand out – e.g. an internal temperature compensated reference, a controlled duty cycle oscillator with an active current limit circuit, driver and high current output switch. The board is realized with Automotive qualified parts and is pin compatible with commercial IGBT DC/DC supplies, provisioning a ready to use plug−in solutions for power applications.
Features
- Core part – NCV3064 (automotive) / NCP3064 (industrial)
- Switching frequency 150 kHz
- Input Voltage 6 − 18 Vdc
- Output Voltage −7.5 V / 7.5 V / 15 V
- Operation mode DCM
- Output Current 50 mA (for each branch)
- Efficiency at full load 67%
- Size 26.24 x 16.38 x 16.06 mm
Typical applications
- Isolated IGBT driver supply, Automotive powertrain systems, Automotive auxiliary power
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | VIN(V) | VOut1(V) | VOut2(V) | VOut3(V) | Vaux(V) | PO(W) | CWW 1(pF) | L(µH) | ISAT(A) | fswitch(kHz) | n | Version | IC Reference | Pins | Type | Mount | L(mm) | H(mm) | IR(A) | Working Voltage(V (AC)) | Operating Temperature | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-AGDT Auxiliary Gate Drive Transformer, 12 - 18, 15 V | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-AGDT Auxiliary Gate Drive Transformer | Input Voltage 12 - 18 | Output Voltage 115 V | Output Voltage 27.5 V | Output Voltage 37.5 V | Auxiliary Voltage5 V | Total Output Power1.5 W | Interwinding Capacitance7.8 pF | Inductance42 µH | Saturation Current1.25 A | Switching Frequency 150 | Turns Ratio2:2.86:1.43:1.43:1 | VersionFlyback | IC ReferenceNCV(P)3064 | – | – | – | Length11.3 mm | Height11.94 mm | – | – | Operating Temperature -40 °C up to +130 °C | ||||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Downloads7 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | – | – | – | – | – | – | – | Pins2 | TypeAngled | MountTHT | Length5.08 mm | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | ||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Downloads7 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | – | – | – | – | – | – | – | Pins4 | TypeAngled | MountTHT | Length10.16 mm | – | Rated Current3 A | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C |