TB2902HQ
Byte 4
Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
At “Bit = 1” Condition
0
0
0
0
0
0
0
1 Ch4 Short to GND
0
0
0
0
0
0
1
0 Ch4 2 Short to VCC
0
0
0
0
0
1
0
0 Ch4 Open load or Offset Detected
0
0
0
0
1
0
0
0 Ch4 Short load
0
0
0
1
0
0
0
0 Ch4 Diagnosis condition (bit = 1: permanent, 0: turn-on)
Ch4 Current Detection (at IB2 D2 = 1 = enable only)
0
0
1
0
0
0
0
0 (IB2 − D7 = 0: bit = 1: <250 mA, 0: >500 mA)
(IB2 − D7 = 1: bit = 1: <100 mA, 0: >300 mA)
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯x
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯x
Note 6: Short circuit protection can be operated channel by channel.
EX) If channel 1 output is shorted, channel 1 is protected but other channels are available.
Caution: sub address 0x15 (15H) is for our internal testing only. Do not apply for your using.
8
2004-08-18