AMC131M01DFMR datasheet(7/81 Pages) TI

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6.6 Safety-Related Certifications

VDE

DIN EN IEC 60747-17 (VDE 0884-17),

EN IEC 60747-17,

DIN EN IEC 62368-1 (VDE 0868-1),

EN IEC 62368-1,

IEC 62368-1 Clause : 5.4.3 ; 5.4.4.4 ; 5.4.9

Recognized under 1577 component recognition and

CSA component acceptance NO 5 programs.

Reinforced insulation

Single protection

Certificate number: Pending

File number: E181974

6.7 Safety Limiting Values

Safety limiting (1) intends to minimize potential damage to the isolation barrier upon failure of input or output circuitry. A

failure ofthe I/O can allow low resistance to ground or the supply and, without current limiting, dissipate sufficient power to

overheatthe die and damage the isolation barrier potentially leading to secondary system failures.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Safety input, output, or supply current

RθJA = 73.5°C/W, DVDD = 5.5 V,

TJ = 150°C, TA = 25°C

309

RθJA = 73.5°C/W, DVDD = 3.3 V,

TJ = 150°C, TA = 25°C

472

Safety input, output, or total power

RθJA = 73.5°C/W, TJ = 150°C, TA = 25°C

1700

Maximum safety temperature

150

°C

(1)

The maximum safety temperature, TS, has the same value as the maximum junction temperature, TJ, specified for the device. The IS

and PS parameters represent the safety current and safety power, respectively. Do not exceed the maximum limits of IS and PS. These

limits vary with the ambient temperature, TA.

The junction-to-air thermal resistance, RθJA is that of a device installed on a high-K test board for leaded surface-mount packages. Use

these equations to calculate the value for each parameter:

TJ = TA + RθJA × P, where P is the power dissipated in the device.

TJ(max) = TS = TA + RθJA × PS, where TJ(max) is the maximum junction temperature.

PS = IS × VDDmax, where VDDmax is the maximum low-side voltage.

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AMC131M01

SBASA57 – SEPTEMBER 2023

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