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Toshiba Electronic Components Datasheet

TB2923HQ Datasheet

50 W X 4-ch BTL Audio Power IC

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TB2923HQ pdf
TB2923HQ
TOSHIBA Bi-CMOS Linear Integrated Circuit Silicon Monolithic
TB2923HQ
50 W × 4-ch BTL Audio Power IC
The TB2923HQ is a four-channel BTL power amplifier for car
audio applications.
This IC has a pure complementary P-ch and N-ch DMOS output
stage, offering maximum output power (POUT MAX) of 50 W.
It includes a standby switch, mute function and various
protection features.
Features
High output power
POUT MAX (1) = 50 W (typ.)
(VCC = 15.2 V, f = 1 kHz, JEITA max, RL = 4 )
Weight: 7.7 g (typ.)
POUT MAX (2) = 43 W (typ.)
(VCC = 13.7 V, f = 1 kHz, JEITA max, RL = 4 )
POUT MAX (3) = 80 W (typ.)
(VCC = 14.4 V, f = 1 kHz, JEITA max, RL = 2 )
POUT (1) = 29 W (typ.)
(VCC = 14.4 V, f = 1 kHz, THD = 10%, RL = 4 )
POUT (2) = 25 W (typ.)
(VCC = 13.2 V, f = 1 kHz, THD = 10%, RL = 4 )
Low THD: 0.005% (typ.) (VCC = 13.2 V, f = 1 kHz, POUT = 5 W, RL = 4 )
Low noise: VNO = 50 µVrms (typ.)
(VCC = 13.2 V, Rg = 0 , BW = 20 Hz to 20 kHz, RL = 4 )
Standby switch (pin 4)
Mute function (pin 22)
Output DC offset detection (pin 25)
Various protection features
Thermal overload; overvoltage; output short-circuits to GND, VCC and across the load; speaker current limiting
Operating supply voltage: VCC (opr) = 8.0 to 18 V (RL = 4 )
Note 1: Install the device correctly. Otherwise, the device or system may be degraded, damaged or even destroyed.
Note 2:
The protection features are intended to avoid output short-circuits or other abnormal conditions temporarily. It
is not guaranteed that they will prevent the IC from being damaged.
Exposure to conditions beyond the guaranteed operating ranges may not activate the protection features,
resulting in an IC damage due to output short-circuits.
www.DataSheet4U.com
1 2006-11-30


Toshiba Electronic Components Datasheet

TB2923HQ Datasheet

50 W X 4-ch BTL Audio Power IC

No Preview Available !

TB2923HQ pdf
Block Diagram
TB2923HQ
10
Ripple
C1 11 IN1
16
20
TAB VCC2 VCC1
+B
Out1 (+)
9
PW-GND1
8
Out1 ()
7
RL
C1 12 IN2
13 Pre-GND
Out2 (+)
5
PW-GND2
2
Out2 ()
3
RL
C1 15 IN3
C6
16 AC-GND
Out3 (+)
17
PW-GND3
18
Out3 ()
19
RL
C1 14 IN4
5V
Play
Mute
R1
4 Stby
22 Mute
Out4 (+)
21
PW-GND4
24
Out4 ()
23
RL
Offset/short 25
Some of the functional blocks, circuits or constants may be omitted from the block diagram or simplified for
explanatory purposes.
www.DataSheet4U.com
2
2006-11-30


Part Number TB2923HQ
Description 50 W X 4-ch BTL Audio Power IC
Maker Toshiba
Total Page 17 Pages
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