Datasheet > EM6152V55SO8A

EM6152V55SO8A

更新时间： 2024-02-19 00:59:14

品牌	Logo	应用领域
EMMICRO		调节器
页数	文件大小	规格书
12页	532K
描述
5V Automotive Regulator with Windowed Watchdog

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技术参数
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EM6152V55SO8A 技术参数

生命周期：	Contact Manufacturer	零件包装代码：	SOIC
包装说明：	GREEN, SOIC-8	针数：	8
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.67
可调阈值：	YES	模拟集成电路 - 其他类型：	POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 代码：	R-PDSO-G8	长度：	4.94 mm
信道数量：	1	功能数量：	1
端子数量：	8	最高工作温度：	125 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	SOP	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE	认证状态：	Not Qualified
座面最大高度：	1.75 mm	最大供电电压 (Vsup)：	40 V
最小供电电压 (Vsup)：	2.3 V	标称供电电压 (Vsup)：	13.5 V
表面贴装：	YES	温度等级：	AUTOMOTIVE
端子形式：	GULL WING	端子节距：	1.27 mm
端子位置：	DUAL	宽度：	3.94 mm
Base Number Matches：	1

EM6152V55SO8A 数据手册

EM MICROELECTRONIC - MARIN SA

EM6152

5V Automotive Regulator with Windowed Watchdog

Description

Features

The EM6152 offers a high level of integration by combining

voltage regulation, voltage monitoring and software

monitoring using a windowed watchdog.

Low quiescent current 135 μA

-40°C to +125°C temperature range

Highly accurate 5 V, 400 mA guaranteed output (actual

maximum current depends on power dissipation)

A comparator monitors the voltage applied at the V_INinput

comparing it with an internal voltage reference V_REF. The

power-on reset function is initialized after V_INreaches V_REF

and takes the reset output inactive after a delay T_POR

depending on external resistance R_OSC. The reset output goes

active low when the V_INvoltage is less than V_REF. The RES

and EN outputs are guaranteed to be in a correct state for a

regulated output voltage as low as 1.2 V. The watchdog

function monitors software cycle time and execution.

Low dropout voltage, typically 250 mV at 250 mA

Unregulated DC input can withstand -42 V reverse battery

and +45 V power transients

Fully operational for unregulated DC input voltage up to

40 V and regulated output voltage down to 3.0 V

No reverse output current

Very low temperature coefficient for the regulated output

Current limiting

If software clears the watchdog too quickly (incorrect cycle

time) or too slowly (incorrect execution) it will cause the

system to be reset. For enhanced security, the watchdog

must be serviced within an “open” time window. During the

remaining time, the watchdog time window is “closed” and a

reset will occur should a TCL pulse be received by the

watchdog during this “closed” time window. The ratio of the

open/closed window is either 33%/67% or 67%/33%.

Windowed watchdog with an adjustable time windows,

guaranteeing a minimum time and a maximum time

between software clearing of the watchdog

Time base accuracy ±8% (at 100ms)

Sleep mode function (V55)

Adjustable threshold voltage using external resistors

Adjustable power on reset (POR) delay using one

external resistor

The system ENABLE output prevents critical control functions

being activated until software has successfully cleared the

watchdog three times. Such a security could be used to

prevent motor controls being energized on repeated resets of

a faulty system.

Open-drain active-low RESET output

Reset output guaranteed for regulated output voltage

down to 1.2 V

System ENABLE output offers added security

Qualified according to AEC-Q100

When the microcontroller goes in stand-by mode or stops

working, no signal is received on the TCL input of the

EM6152 (version 55) and it goes into a stand-by mode in

order to save power (CAN-bus sleep detector).

Green SO-8 and PSOP2-16 packages (RoHS compliant)

Applications

In EM6152, the voltage regulator has a low dropout voltage

and a low quiescent current of 135 μA. The quiescent current

increases only slightly in dropout prolonging battery life. Built-

in protection includes a positive transient absorber for up to

45 V (load dump) and the ability to survive an unregulated

input voltage of -42 V (reverse battery). The input may be

connected to ground or to a reverse voltage without reverse

current flowing from the output to the input.

Automotive systems

Industrial

Home security systems

Telecom / Networking

Computers

Set top boxes

Typical Operating Configuration

Selection Table

Closed

Window

67%

Open

Window

33%

CAN-bus sleep

detector

Unregulated

Voltage

Part Number

V_REF

V_DD

INPUT OUTPUT

EM6152V30

EM6152V50

EM6152V53

1.17 V

1.52 V

R₁

EM6152

100nF 22uF

67%

33%

V_IN

R_OSC

22uF

I/O

33%

67%

TCL

RES

R_OSC

RES

I/O

EM6152V55 1.275 V

67%

33%

Yes

V_SS

Please refer to Fig. 4 for more information about the

open/closed window of the watchdog.

R₂

GND

Fig. 1

rev. B / 06.06

www.emmicroelectronic.com

12 3 4 5 6 7...12

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