TDA7567PDTR datasheet(25/30 Pages) STMICROELECTRONICS

25 / 30 page

TDA7567PD

Software specifications

Doc ID 16903 Rev 2

25/30

Table 9.

DB2

Bit

Instruction decoding bit

Offset detection not activated (D7 = 0)

Offset detection activated (D7 = 1)

Channel CH4

current detection IB2 (D7) = 0

Output peak current < 300 mA - Open load (D5 = 1)

Output peak current > 500 mA - Normal load (D5 = 0)

Channel CH4

current detection IB2 (D7) = 1

Output peak current < 125 mA - Open load (D5 = 1)

Output peak current > 250 mA - Normal load (D5 = 0)

Channel CH4

Turn-on diagnostic (D4 = 0)

Permanent diagnostic (D4 = 1)

Channel CH4

Normal load (D3 = 0)

Short load (D3 = 1)

Channel CH4

Turn-on diag.: No open load (D2 = 0)

Open load detection (D2 = 1)

Permanent diag.: No output offset (D2 = 0)

Output offset detection (D2 = 1)

Channel CH4

No short to Vcc (D1 = 0)

Short to Vcc (D1 = 1)

Channel CH4

No short to GND (D1 = 0)

Short to GND (D1 = 1)

Table 10.

DB3

Bit

Instruction decoding bit

Standby status (= IB1 - D4)

Diagnostic status (= IB1 - D6)

Channel CH1

current detection IB2 (D7) = 0

Output peak current < 300 mA - Open load (D5 = 1)

Output peak current > 500 mA - Normal load (D5 = 0)

Channel CH1

current detection IB2 (D7) = 1

Output peak current < 125 mA - Open load (D5 = 1)

Output peak current > 250 mA - Normal load (D5 = 0)

Channel CH1

Turn-on diagnostic (D4 = 0)

Permanent diagnostic (D4 = 1)

Channel CH1

Normal load (D3 = 0)

Short load (D3 = 1)

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