MA5342MS datasheet(44/64 Pages) INFINEON

Part #	MA5342MS

Description	2x200W Class D Amplifier, with Analog Inputs and Integrated 49.2mΩ RDS(ON) Output Stage

PDF	64 Pages

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Manufacturer	INFINEON [Infineon Technologies AG]

Direct Link	http://www.infineon.com

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44 / 64 page

Datasheet

44 of 63

V 2.1

11/2/2023

Integrated Class D Amplifier

MA5342MS

Protections

Figure 35 Protection Functional Block Diagram (MA5342MS)

The internal protection control block dictates the operational modes, normal or shutdown, using the input of the

CSD pin. In shutdown mode, the controller IC turns off internal power MOSFETs.

The CSD pin provides five functions.

1. Power up delay timer

2. Self-reset timer

3. Shutdown input

4. Latched protection configuration

5. Shutdown status output (host I/F)

The CSD pin cannot be paralleled with another MA5342MS directly.

The operating statuses of the protection features are shown in Table 2.

Table 11

Events and Actions of CSD and FAULT

Event

CSD

FAULT

UVCC, rising edge

Recycle

L until CSD>Vth1

UVCC, falling edge

n/a

UVAA, rising edge

n/a

L at VAA<UVAA

UVAA, falling edge

n/a

L at VAA<UVAA

UVBS, rising edge

n/a

UVBS, falling edge

n/a

MA5342MS Datasheet(PDF) 44 Page - Infineon Technologies AG