Datasheet > ZXMS81045SPQ

ZXMS81045SPQ

更新时间： 2024-11-10 14:54:23

品牌	Logo	应用领域
美台 - DIODES		/
页数	文件大小	规格书
34页	1741K
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IntelliFET High-Side Power Switch

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ZXMS81045SPQ 数据手册

ZXMS81045SPQ

IntelliFET^®HIGH-SIDE POWER SWITCH

Green

Description

Pin Assignment

The ZXMS81045SPQ is a single-channel, high-side, power switch in a

SO-8EP (Type E) exposed heatsink package incorporating protective

and diagnostic functions.

(Top View)

The device comprises a monolithic N-channel vertical power MOSFET

with integrated temperature and current sensors with a charge-pumped

gate supply and has a low quiescent current in OFF state.

(EP)

The device is enabled by active high 3.3V and 5V logic level drive to

the inputs. The device includes a diagnostic current-sense output

proportional to load current and a defined diagnostic fault signal in

case of overload operation, overtemperature, short-circuit or open load

conditions.

SO-8EP

Applications

Features



High-side switching with diagnostic feedback for:

Protection Functions

12V grounded loads



Reverse battery protection using external components

Voltage dependent current limiting

Resistive, inductive, and capacitive loads

Suitable for high inrush current loads

Incandescent lamps (P27W/P21W), motors, etc

Compact low-power replacement for:

Relays, fuses, and discrete circuits

Overtemperature protection with auto-restart

Overvoltage protection including load dump

Stable undervoltage protection



ESD protection

Loss of ground protection with external components

Enhanced short circuit protection

Summary Specifications

Diagnostic Functions

Operating voltage

V_S

5 - 28V

41V

90mΩ

1200

25A

0.5µA



Proportional load current-sense output

Maximum supply voltage

Maximum ON resistance, T_j= 150°C

Nominal load current

Typical current sense ratio

Minimum current limitation

Maximum standby current, T_j= 25°C

V_S(LD)

R_DS(ON)

I_L(NOM)

K_ILIS

I_L5(SC)

I_S(OFF)

Linear voltage drop regulation to maintain sense accuracy

even at very low load currents

Enabled by logic input

Defined temperature and current dependency



Open-load detection

Using load current-sense in ON state

Using output voltage detection in OFF state

Defined fault signal in case of overload operation,

overtemperature, or short-circuit

Miscellaneous



Lead-Free Finish; RoHS Compliant (Notes 1 & 2)

Halogen and Antimony Free. “Green” Device (Note 3)

The ZXMS81045SPQ is suitable for automotive applications

requiring specific change control; this part is AEC-Q100

qualified, PPAP capable, and manufactured in IATF16949

certified facilities.

https://www.diodes.com/quality/product-definitions/

Notes:

EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. All applicable RoHS exemptions applied.

See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-

free.

Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and

<1000ppm antimony compounds.

For packaging details, go to our website at https://www.diodes.com/design/support/packaging/diodes-packaging/.

1 of 34

www.diodes.com

July 2023

ZXMS81045SPQ

Document number: DS44103 Rev. 4 - 2

12 3 4 5 6 7...34

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