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STEVAL-A6986IV2

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38 V, 5 W synchronous iso-buck converter evaluation board with single isolated output based on the A6986I

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产品概述

描述

The STEVAL-A6986IV2 evaluation board is based on ST A6986I (automotive 38 V, 5 W synchronous iso-buck converter for isolated applications).

The primary output voltage can be accurately adjusted, whereas the isolated secondary output is generated by a transformer. No optocoupler is required.
The primary sink capability (typ. 1.9 A) allows a proper energy transfer to the secondary side as well as enables a tracked soft-start of the secondary output.
The control loop is based on a peak current mode architecture and the device operates in forced PWM.
The 300 ns blanking time filters oscillations generated by the transformer leakage inductance and makes the solution more robust.
Pulse by pulse current sensing on both power elements implements an effective constant current protection on the primary side. Due to the primary reverse current limit, the secondary output is protected against short-circuit events. The secondary voltage is stabilized over current by using a power transistor and a shunt voltage reference (TL431).
The evaluation board generates an isolated voltage (around 5 V, easily adjustable), especially suitable for applications requiring a single isolated supply.

所有功能
AEC-Q100 qualified

Operating temperature range: -40 °C to 135 °C for Tj

Designed for iso-buck topology

4 to 38 V operating input voltage

Primary output voltage regulation

No optocoupler required

1.9 A typical sink peak primary current capability

Peak current mode architecture in forced PWM operation

300 ns blanking time
8 µA IQ-SHTDWN

Adjustable f_SW and synchronization

Embedded primary output voltage supervisor

Adjustable soft-start time

Internal primary current limiting

Overvoltage protection

R_{DS(on) HS}= 180 mΩ, R_{DS(on) LS}= 150 mΩ

Thermal shutdown
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能源生产和分配 (1)
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	Resource title	版本	Latest update

Board Manufacturing Specifications (1)

	Resource title	版本	Latest update
ZIP	STEVAL-A6986IV2 GERBER	1.0	07 Apr 2021	07 Apr 2021 STEVAL-A6986IV2 GERBER 1.0

物料清单 (1)

	Resource title	版本	Latest update
PDF	STEVAL-A6986IV2 BOM	1.0	07 Apr 2021	07 Apr 2021 STEVAL-A6986IV2 BOM 1.0

Schematic Pack (1)

	Resource title	版本	Latest update
PDF	STEVAL-A6986IV2 SCHEMATIC	1.0	07 Apr 2021	07 Apr 2021 STEVAL-A6986IV2 SCHEMATIC 1.0

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质量与可靠性

产品型号	Marketing Status	符合RoHS级别	WEEE Compliant	材料声明**
STEVAL-A6986IV2	批量生产	Ecopack2	Yes

STEVAL-A6986IV2

Package:

Ecopack2

Material Declaration**:

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Marketing Status

RoHS Compliance Grade

Ecopack2

WEEE Compliant

Yes

(**) st.com上提供的材料声明表单可能是基于包装系列中最常用的封装的通用文档。因此，它们可能不是100%适用于特定的设备。有关特定设备的信息，请联系销售支持。

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STEVAL-A6986IV2

Available at 2 distributors

经销商的可用性STEVAL-A6986IV2

代理商名称	地区	库存	最小订购量	第三方链接
DIGIKEY	WORLDWIDE	5	1	马上订购
Farnell Element14	EUROPE	10	1	马上订购

代理商库存报告日期: 2021-08-04

代理商名称

DIGIKEY

库存

Min.Order

地区

WORLDWIDE 马上订购

Farnell Element14

库存

Min.Order

地区

EUROPE 马上订购

代理商库存报告日期: 2021-08-04

Buy Direct

A6986I

EAR99

NEC

ITALY

33.0 / 1

STEVAL-A6986IV2

核心产品

A6986I

供货状态

批量生产

更多信息

Budgetary Price (US$)*/Qty

33.0 / 1

经销商的可用性STEVAL-A6986IV2

代理商名称	地区	库存	最小订购量	第三方链接
DIGIKEY	WORLDWIDE	5	1	马上订购
Farnell Element14	EUROPE	10	1	马上订购

代理商库存报告日期: 2021-08-04

代理商名称

DIGIKEY

库存

Min.Order

地区

WORLDWIDE 马上订购

Farnell Element14

库存

Min.Order

地区

EUROPE 马上订购

代理商库存报告日期: 2021-08-04

供应商

ECCN (US)

EAR99

ECCN (EU)

NEC

Budgetary Price (US$)* / Qty

33.0 / 1

Country of Origin

ITALY

(*) 建议转售单价（美元）仅用于预算用途。如需以当地货币计价的报价，请联系您当地的 ST销售办事处或我们的经销商。

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STEVAL-A6986IV2

产品概述

描述

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特别推荐

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Board Manufacturing Specifications (1)

物料清单 (1)

Schematic Pack (1)

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质量与可靠性

样片和购买