TB2912HQ Toshiba, TB2912HQ Datasheet - Page 7

• Manufacturer Part Number: TB2912HQ
• Manufacturer: Toshiba

Specifications of TB2912HQ

• No. Of Channels: 4
• Package: HZIP 25-P-1.00F
• Recommended Vcc (v): 13.2
• Rl=2 Ohm: 70W x 4
• Rl=4 Ohm: 43W x 4
• Rl=8 Ohm: -
• Features/built-in Functions: 4 BTL channels, standby switch, mute, BiCD process, I2C self-diagnosis, tweeter diagnostics, low standby current
• Operating Voltage (v): 9 to 18

Bit7
Bit7
Bit7
⎯
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
1
【READ】
Byte 1
Byte 2
Byte 3
Bit6
Bit6
Bit6
⎯
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
Bit5
Bit5
Bit5
⎯
⎯
0
0
0
0
0
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
Bit4
Bit4
Bit4
⎯
⎯
0
0
0
0
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
0
Bit3
Bit3
Bit3
⎯
⎯
0
0
0
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
0
0
Bit2
Bit2
Bit2
⎯
⎯
0
0
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
0
0
0
Bit1
Bit1
Bit1
⎯
⎯
0
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
0
0
0
0
7
Bit0
Bit0
Bit0
⎯
⎯
⎯
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
Ch1 Short to GND
Ch1 Short to V
Ch1 Open load or Offset Detected
Ch1 Short load
Ch1 Diagnosis condition (bit = 1: permanent, 0: turn-on)
Ch1 Current Detection (at IB2 D2 = 1 = enable only)
(IB2 − D7 = 0: bit = 1: <250 mA, 0: >500 mA)
(IB2 − D7 = 1: bit = 1: <100 mA, 0: >300 mA)
Bit = 1: Diag. Cycle terminated, 0: Not terminated
TSD Mute ON (thermal warning)
Ch2 Short to GND
Ch2 Short to V
Ch2 Open load or Offset Detected
Ch2 Short load
Ch2 Diagnosis condition (bit = 1: permanent, 0: turn-on)
Ch2 Current Detection (at IB2 D2 = 1 = enable only)
(IB2 − D7 = 0: bit = 1: <250 mA, 0: >500 mA)
(IB2 − D7 = 1: bit = 1: <100 mA, 0: >300 mA)
Current sensor activated (D6 = 1)
Offset detection activated (D7 = 1)
Ch3 Short to GND
Ch3 Short to V
Ch3 Open load or Offset Detected
Ch3 Short load
Ch3 Diagnosis condition (bit = 1: permanent, 0: turn-on)
Ch3 Current Detection (at IB2 D2 = 1 = enable only)
(IB2 − D7 = 0: bit = 1: <250 mA, 0: >500 mA)
(IB2 − D7 = 1: bit = 1: <100 mA, 0: >300 mA)
Diagnotic status (= IB1 − D6 bit = 1: diag enable)
Stand-by status (= IB2 − D4 bit = 1: play)
CC
CC
CC
At “Bit = 1” Condition
At “Bit = 1” Condition
At “Bit = 1” Condition
TB2912HQ
2006-04-28