tb2933hq TOSHIBA Semiconductor CORPORATION, tb2933hq Datasheet - Page 18

• Manufacturer Part Number: tb2933hq
• Manufacturer: TOSHIBA Semiconductor CORPORATION

• ライト/リードバイトが 1 のとき、パワーアンプは下記 4 つの診断バイト
(DB1, DB2, DB3, DB4) によって指示系統を選択できます。
DB1 診断バイト:
D7
D6
D5
D4
D3
D2
D1
D0
Bit
Thermal warning active (D7 = 1)
Diag not actived or not terminated (D6 = 0)
Diag terminated (D6 = 1)
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)
Channel 1
Turn-on diagnostic (D4 = 0)
Permanent diagnostic (D4 = 1)
Channel 1
Normal load (D3 = 0)
Short load (D3 = 1)
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)
Channel 1
No short to V
Short to V
Channel 1
No short to GND (D0 = 0)
Short to GND (D0 = 1)
CC
CC
(D1 = 1)
(D1 = 0)
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TB2933HQ
2010-02-22