TB2923HQ Toshiba, TB2923HQ Datasheet
TB2923HQ
Specifications of TB2923HQ
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TB2923HQ Summary of contents
Page 1
... TOSHIBA Bi-CMOS Linear Integrated Circuit Silicon Monolithic 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 (P It includes a standby switch, mute function and various protection features ...
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... Some of the functional blocks, circuits or constants may be omitted from the block diagram or simplified for explanatory purposes Ripple TAB V V CC2 CC1 IN1 11 IN2 12 13 Pre-GND IN3 15 16 AC-GND IN4 14 4 Stby 22 Mute Offset/short 2 TB2923HQ +B Out1 (+) 9 PW-GND1 Out1 (−) 7 Out2 (+) 5 PW-GND2 Out2 (−) 3 Out3 (+) 17 PW-GND3 Out3 (−) 19 Out4 (+) 21 ...
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... Figure 1 Setting Pin 4 High Turns on 2.9 to VCC Relay V CC – Conventional Method – From microcontroller Battery Standby V CC – Using the Standby Switch – Figure 2 Standby Switch 3 TB2923HQ kΩ 4 ≈ Bias filter network Power Battery From microcontroller Battery ...
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... 13 kHz Ω 20dBm − 400 kHz −40 −60 −80 Mute On/Off −100 control −120 0 0.5 Pin 22 control voltage: V Figure 4 Mute Attenuation − TB2923HQ ATT – V MUTE 1 1.5 2 2.5 3 (V) MUTE (V) MUTE 2006-11-30 ...
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... Amp output GND Voltage at (A) (pin 25) GND Voltage at (B) (LPF output) GND − bias TB2923HQ Positive DC offset (+) (caused (normal DC voltage) CC Negative DC offset (−) (caused LPF To a microcontroller B The microcontroller shuts down the system if the output is lower than the specified voltage ...
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... Layer Short Detection The TB2923HQ may be properly connected to a load such as a 4-Ω speaker, but one of the speaker lines may be shorted to ground through a low-impedance path. The TB2923HQ can detect such a condition. The negative (−) speaker connection is shorted to ground through a low-impedance path due to some irregularities. ...
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... Pop Noise Suppression Since the TB2923HQ uses the AC-GND pin (pin 16) as the common input reference voltage pin for all amplifiers, the ratio of the input capacitance (C1) to the AC-to-GND capacitance (C6) should be 1:4. Also, if power is removed before C1 and C6 are completely charged, pop noise will be generated because of unbalanced DC currents ...
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... Standby condition, V4=0,V22=0 SB POWER POWER: OFF SB MUTE: OFF M kΩ MUTE: ON TB2923HQ Min Typ. Max 180 300 50 43 80 29 0.005 0.07 ...
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... Ripple TAB V V CC2 CC1 IN1 11 IN2 12 13 Pre-GND IN3 15 16 AC-GND IN4 14 4 Stby 22 Mute Offset/short 9 TB2923HQ Min Typ. Max 85 100 250 ±1.0 ±1.5 ±2.0 2.5 s 100 500 +B Out1 (+) 9 PW-GND1 = 4 ohm Out1 (− ...
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... kHz : 400 kHz 1 0.5 10 kHz 0.3 0.1 0.05 0.03 1 kHz 0. 100 Hz 0.005 0.003 0.001 30 50 100 0.1 0.3 10 TB2923HQ THD – P (ch2) OUT : 400 kHz 0 100 Output power P (W) OUT THD – P (ch4) OUT : 400 kHz 0 ...
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... Ω kHz 13 Filter 400 kHz 0.5 0.3 0.1 0.05 0.03 0.01 0.005 0.003 0.001 30 50 100 0.1 0.3 11 TB2923HQ THD – P (ch2) OUT 13 0 100 Output power P (W) OUT THD – P (ch4) OUT 13 0 ...
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... 13 Ω OUT = filter 0.3 0.1 0.03 1 ch 0.003 0.001 100 k 0.01 0.1 frequency f (Hz 13 Ω Vrip = 0.775 Vrms (0dBm) −20 −40 −60 −80 100 0.01 0.1 frequency f (Hz) 12 TB2923HQ THD – 100 R.R. – ch 100 2006-11-30 ...
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... Input voltage V 120 100 Ambient temperature Ta (°C) 13 TB2923HQ – P (ch2) OUT 13 Ω No filter (Vrms) IN – P (ch4) OUT 100Hz,-20kHz 13 Ω No filter (Vrms) ...
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... 620 Ω −20 −40 CT (3-4) −60 CT (4-2) CT (4-3) −80 100 kHz Ω 4ch drive 100 TB2923HQ C.T. – f (ch2) CT (2-1) CT (2-4) CT (2-3) 100 100 k frequency f (Hz) C.T. – f (ch4) CT (4-1) 100 100 k frequency f (Hz) P – OUT ...
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... Package Dimensions Weight: 7.7 g (typ.) 15 TB2923HQ 2006-11-30 ...
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... IC chip. In addition, depending on the IC, the use of silicon rubber may be prohibited. Check whether the use of silicon rubber is prohibited for the IC you intend to use, or not. For details of power IC heat radiation design and heat sink installation, refer to individual technical datasheets or IC databooks. 16 TB2923HQ 2006-11-30 ...
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... R-type flux (2) Use of Sn-3.0Ag-0.5Cu solder Bath · solder bath temperature = 245°C · dipping time = 5 seconds · the number of times = once · use of R-type flux 021023_D 021023_B 060106_Q 17 TB2923HQ 060116EBA 021023_E 2006-11-30 ...