TB2932HQ 데이터 시트보기 (PDF) - Toshiba

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TB2932HQ

Maximum Power 49 W BTL × 4-ch Audio Power IC

Toshiba 

TB2932HQ

- If R/W = 1, the Power Amplifier Sends Four Diagnostics Bytes, DB1, DB2, DB3 and DB4:

DB1 Diagnostic Byte:

Bit

D7 Thermal warning active (D7 = 1)

D6 Diag not actived or not terminated (D6 = 0)

Diag terminated (D6 = 1)

D5 Channel 1 current detection

Output peak current < 250 mA (IB2 − D7 = 0) − open load (D5 = 1)

Output peak current < 100 mA (IB2 − D7 = 1) − open load (D5 = 1)

Output peak current > 500 mA (IB2 − D7 = 0) − normal load (D5 = 0)

Output peak current > 300 mA (IB2 − D7 = 1) − normal load (D5 = 0)

D4 Channel 1

Turn-on diagnostic (D4 = 0)

Permanent diagnostic (D4 = 1)

D3 Channel 1

Normal load (D3 = 0)

Short load (D3 = 1)

D2 Channel 1

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

Open load detected (D2 = 1)

Offset diag: No output offset (D2 = 0)

Output offset detected (D2 = 1)

D1 Channel 1

No short to VCC (D1 = 0)

Short to VCC (D1 = 1)

D0 Channel 1

No short to GND (D0 = 0)

Short to GND (D0 = 1)

17

2009-02-02

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