TB2912HQ Toshiba, TB2912HQ Datasheet - Page 8

• 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

Note 6: Short circuit protection can be operated channel by channel.
Caution: sub address 0x15 (15H) is for our internal testing only. Do not apply for your using.
Bit7
⎯
⎯
0
0
0
0
0
0
Byte 4
EX) If channel 1 output is shorted, channel 1 is protected but other channels are available.
Bit6
⎯
⎯
0
0
0
0
0
0
Bit5
⎯
⎯
0
0
0
0
0
1
Bit4
⎯
⎯
0
0
0
0
1
0
Bit3
⎯
⎯
0
0
0
1
0
0
Bit2
⎯
⎯
0
0
1
0
0
0
Bit1
⎯
⎯
0
1
0
0
0
0
8
Bit0
⎯
⎯
1
0
0
0
0
0
Ch4 Short to GND
Ch4 2 Short to VCC
Ch4 Open load or Offset Detected
Ch4 Short load
Ch4 Diagnosis condition (bit = 1: permanent, 0: turn-on)
Ch4 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)
x
x
At “Bit = 1” Condition
TB2912HQ
2006-04-28