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功率放大器IC

Toshiba's 4-channel power amplifier ICs fabricated using a 0.13μm process with the industry's lowest-in-class on-resistance provide high reliability.

Toshiba is expanding its portfolio of Class-TB power amplifier ICs to satisfy the market needs for low power consumption and environmental friendliness.

产品阵容

4-channel Audio Power Amplifier IC (Recommended Products)
Process Part Number Max Power Class Voltage Gain I2C Bus Output DC Offset Det.
Clip Det. Short-Circuit Det. High-Side Switch Half Short Det. Speaker Burning Pre.
Load
GSM 6V Crui-sing

Package

Status
VCC = 15.2 V VCC = 14.4 V
BiCD0.13
μm
TB2952AHQ 49W 45W AB 26dB/
12dB
    HZIP25 MP
TB2975HQ 49W 45W KB 26dB/
16dB
    HZIP25
CD0.13μm TCB001HQ 45W  40W  AB 26dB             HZIP25
TCB001FNG HSOP36
TCB501HQ 49W 44W AB 26dB   *     HZIP25
TCB502HQ 49W 44W AB 26dB   *       HZIP25
TCB503HQ 49W 44W AB 26dB       HZIP25
TCB701FNG 49W 45W TB 26dB/
16dB
*     HSOP36
TCB702FNG 45W 40W TB 26dB/
16dB
*       HSOP36

*Full time output DC offset detection(TOSHIBA Patent)

1-channel Audio Power Amplifier IC
Process Part Number Max Output Class Voltage Gain Thermal Det. Speaker-Open Det. Short-Circuit Det. Over-Voltage Det. Comment Package Status
VCC = 16 V VCC = 12 V
BiCD0.13μm TB2909FNG 5W 3W AB

26dB

(variable)

Vehicle Sound for Pedestrian TSSOP16 MP

Features

4-channel audio power amplifier IC concept

CD 0.13μm Process

Higher toughness process for +B Surge

Higher Toughness for Immunity Noise

Easy to design for EMI/EMC/BCI etc

Full-time output DC offset detection (TOSHIBA Patent)

The IC can perform full-time DC offset voltage detection at speaker terminals. It is possible to realize a system that prevents the speaker voice coil burning caused by the occurrence of DC offset voltage.

Small flat package
New Linear High-efficiency AMP “Class-TB”

Temperature reduced approx. 20-40 degrees C compared with other AMPs.

6V cruising design
Diagnosis function

Temperature data of Class-AB/TB AMP

Temperature data of Class-AB/TB AMP

Temperature data of Class-AB/TB AMP

Toshiba’s original linear high-efficiency amplifier: Class-TB achieves efficiency TCB701FNG(50 W)/702FNG (45 W)

High efficiency (TOSHIBA Patent)

Power dissipation comparison

  • vs Conventional Class-AB AMP >>> -80% reduction
  • vs Digital Class-D AMP >>> Closer under Pout <4 W
Low BOM costs

Reasonable external parts

  • vs Conventional Class-AB AMP >>> Same 
  • vs Digital Class-D AMP >>> Less than half 
Full-time output DC offset detection (TOSHIBA Patent)
  • The IC can perform full-time DC offset voltage detection at speaker terminals. It is possible to realize a system that prevents the speaker voice coil burning caused by the occurrence of DC offset voltage.

Power Dissipation at Pout=0.8W/channel

Toshiba’s original linear high-efficiency amplifier: Class-TB achieves efficiency TCB701FNG(50 W)/702FNG (45 W)

产品介绍

4-channel High-Efficiency Linear Power Amplifier for Car Audio: TCB701FNG 更多

TCB701FNG

Toshiba Electronic Devices & Storage Corporation announced a new 4-channel high-efficiency linear power amplifier "TCB701FNG," that meets current market requirement for high efficiency.  

With "TCB701FNG," the company has improved on its technology to realize efficiency comparable with a digital high efficiency, class D amplifier in actual operating range (0.5 to 4W). Power consumption is cut by up to 80% of that for a typical class AB amplifier.
 

The new amplifier also includes a self-diagnosis function with I2C bus control that can diagnose errors and contribute to a suitable set design by changing the detection setting for gain or time constants. It also includes full-time error detection of output DC offset voltage, which can quickly detect abnormal output offset voltage and prevent speaker burnout, improving set reliability.

  • Maximum output: 49W×4ch (Vcc=15.2V,RL=4Ω, MaxPower)
  • Output noise voltage: 60μVrms (BW=DIN_AUDIO)
  • Supply voltage: 6V to 18V
  • Package: P-HSSOP36-1116-0.65-001
  • Functions and features:
    • 6V operations
    • Full-time error detection for output DC offset voltage
    • Anti-high frequency noise
    • I2C bus control allows diagnosis of errors such as cross output connection.
    • Various detections are selectable from two or more settings, such as a gain, mute time constants and temperature.
    • Can be used as both a power amplifier and line output amplifier.
    • Various built-in protection circuits (output cross connection, over voltage, and low voltage)

4-channel High-Efficiency Linear Power Amplifier for Car Audios Featuring Maximum 45W Output: TCB702FNG 更多

TCB702FNG

Toshiba Electronic Devices & Storage Corporation announced the launch of "TCB702FNG," an addition to its 4-channel high-efficiency linear power amplifiers that meet current market requirements for high efficiency.  

With "TCB702FNG," Toshiba has improved on its technology to realize efficiency comparable with a digital high efficiency of class D amplifier in actual operating range (0.5 to 4W). Power consumption is cut by up to 80% of that for a typical class AB amplifier. The new IC’s maximum output is 45W, and the IC is pin-compatible with “TCB701FNG,” the company’s high efficiency linear power amplifier with maximum 50W output.

The new amplifier also includes a self-diagnosis function with I2C bus control that can diagnose errors and contribute to a suitable set design by changing the detection setting for gain or time constants. It also includes full-time error detection of output DC offset voltage, which can quickly detect abnormal output offset voltage and prevent speaker burnout, improving set reliability.

  • Maximum output: 45W×4ch (Vcc=15.2V,RL=4Ω, MaxPower)
  • Output noise voltage: 60μVrms (BW=DIN_AUDIO)
  • Supply voltage: 6V to 18V
  • Package: P-HSSOP36-1116-0.65-001
  • Functions and features:
    • 6V operations
    • Full-time error detection for output DC offset voltage
    • I2C bus control allows diagnosis of errors such as cross output connection.
    • Various detections are selectable from two or more settings, such as a gain, mute time constants and temperature
    • Can be used as both a power amplifier and line output amplifier.
    • Various built-in protection circuits (output cross connection, over voltage, and low voltage)

Power Amplifier for Car Audio with Strong Resistance to Power Surges: TCB503HQ 更多

TCB503HQ

Toshiba Electronic Devices & Storage Corporation has launched a new 4-channel power amplifier for car audio, "TCB503HQ” that delivers strong resistance to power surges.  

Building on Toshiba’s proven development capabilities in ICs for car audio, the new product achieves a higher reliability with an analog fine process resistant to power surges. It also supports 6V operations suitable for vehicles equipped with idling reduction systems, which have become popular in recent years. This feature suppresses popping sounds that occur when power voltage fluctuates.

Other features include a built-in filter to improve resistance to extraneous high-frequency noise, and to prevent generation of abnormal noise even when there is high-frequency noise from mobile phone radio waves and adjustment of door mirrors.

Using the clip detection signal to control the volume and tone control circuit, the sound quality of the set can be improved.

  • Maximum output: 50Wx4ch (Vcc=15.2V,RL=4Ω, JEITA max)
  • Output noise voltage: 45μV (BW=A-weight)
  • Supply voltage: 6V to 18V
  • Package: HZIP25-P-1.00F
  • Functions and features:
    • High output power and low distortion
    • Built-in mute and standby functions, offset detection, short circuit detection, and output clip detection
    • 6V operations (engine idling reduction capability)
    • Built-in protection circuits (overheat, overvoltage, short to the power supply, short to the ground, and load shorted)

Current-Feedback 4ch Power Amplifier IC for Car Audio with Built-In Full-Time Offset Detection: TCB502HQ 更多

This photo shows the TCB502HQ .

Toshiba Corporation’s Storage & Electronic Devices Solutions Company today announced the launch of the TCB502HQ, a 4-channel power amplifier IC that detects output offset voltage that is a factor in speaker burnout. Mass production is scheduled to start in December 2016.
To respond to growing demand for superior sound quality of car audio, the new IC integrates a current-feedback system of the type adopted in high-end hi-fi audio. This prevents sound quality degradation at wide bandwidths and offers consistent sound quality, considering overtone of musical instruments or human voice.
The new IC also integrates a newly developed, full-time offset detection circuit. It detects offsets generated at the output stage even during playback and contributes to reduction of field failures, thus helping ensure high reliability.

  • Maximum Output Power:
    49W×4ch(VCC=15.2V, RL=4Ω, MAXPOWER)
  • Output Noise Voltage: 33 µV (BW=A-weigh)
  • Operating Supply Voltage: 6 ~18 V (4Ω), 6 ~16 V (2Ω)
  • Package: HZIP25-P-1.00F
  • Embedded Functions and Features:
    • High output and low distortion
    • Built-in mute and standby functions, offset detection, and short-circuit detection
    • 6 V operation (engine idling reduction)
    • A range of protection circuits (thermal, overvoltage, output to VCC, output to GND, output to output)

45-W class 4-channel power amplifier IC with using a new CD-0.13 process: TCB001HQ 更多

TCB001HQ image

The engine with an idle reduction system is shut down when the vehicle stops, causing the battery voltage to drop instantaneously. The new power amplifier reduces the minimum operation voltage from 8 V to 6 V, and thereby realizes stable amplifier operation, making it possible to prevent sound loss and noise in car audio.
"TCB001HQ" improves noise tolerance with a newly developed filter circuit, and minimizes the influence of cell phone radio waves on the sound. Reinforced protection circuits realize high reliability.

  • Maximum Output Power:
    45W × 4ch (VCC=15.2V, RL=4Ω,  MAXPOWER
  • Output Noise Voltage: 55 µV (BW=DIN_AUDIO)
  • Operating Supply Voltage Range: 6 to 18 V (4Ω)
  • Package: HZIP25-P-1.00F
  • Embedded Functions and Features
    • High output power and low distortion
    • Built-in mute and standby functions
    • Optional functions (output DC offset detection,
      output short detection, and overvoltage detection)
    • Support start-stop compatibility (prevention of instantaneous
      voltage drop on entry to an idle reduction mode)
    • Support excellent GSM noise immunity
    • Variety of protection circuits (thermal shutdown, overvoltage, short-to-VCC, short-to-GND and short-to-load)

Current-Feedback 4ch Power Amplifier IC for Car Audio with Built-In Full-Time Offset Detection: TCB501HQ 更多

TCB501HQ image

"TCB501HQ" integrates a newly developed, full-time offset detection circuit. Conventional offset detection during sound reproduction is difficult.It detects output DC offset voltage caused by leakage from the input capacitor and other sources, even during sound reproduction, and prevents speaker burnout.
It also integrates a current-feedback system of the type adopted in high-end hi-fi audio. This prevents sound quality degradation at wide bandwidths and offers consistent sound quality.  

  • Maximum Output Power:
    49W × 4ch (VCC=15.2V, RL=4Ω, MAXPOWER)
  • Output Noise Voltage: 33 µV (BW=A-weigh)
  • Operating Supply Voltage Range:
    6 to 18 V (4Ω), 6 to 16V (2Ω)
  • Package: HZIP25-P-1.00F
  • Embedded Functions and Features
    • High output power and low distortion
    • Built in mute and standby functions, offset detection, and high side switch driver
    • 6V operations (Engine idling reduction capability)
    • Variety of protection circuits (thermal, overvoltage, shorted to VCC, shorted to GND and shorted load)

用于车辆外部声音输出的音频功率放大器IC: TB2909FNG 更多

This photo shows the TB2909FNG.

没有内燃发动机的混合电动汽车(HEV)和电动汽车(EV)在纯电动模式下运行的非常安静,因此这些汽车正在越来越多地配备电动汽车报警声音系统,来模仿发动机的轰鸣声,这样在这些汽车靠近时行人才能有所察觉。“TB2909FNG”可保证在高达110°C的温度下运行,因此可用于电动汽车报警声音系统,因为这种工作环境要求IC必须能在高温下稳定运行。该IC还集成了各种各样的异常检测功能和保护电路,有助于汽车系统的安全和简化。

  • 最大输出功率:
    5W × 1ch (VCC=16V, RL=8Ω, JEITA最大)
    3W × 1ch (VCC=12V, RL=8Ω, JEITA最大)
  • 总谐波失真: 0.08% (POUT=0.125W)
  • 输出噪声电压: 55 µV
  • 工作电源电压: 6 16 V
  • 工作温度范围: Ta= -40 110°C
  • 封装: TSSOP16
  • 内嵌功能和特征:
    • 内置静音、待机功能
    • 多种异常检测功能(扬声器断路、至GND或VCC的输出短路、高温和过载检测)
    • 多种保护线路(过热保护、过压保护、输出短路至VCC、输出短路至GND、短路负载)
一款1通道功率放大器集成电路 产品阵容
器件型号 最大输出 级别 电压增益 过热检测 扬声器开路检测 短路电流检测 过电压检测 备注
VCC = 16 V VCC = 12 V
TB2909FNG 5W 3W AB Valiable 汽车报警声音系统

* 本文中涉及到的系统和产品名称可能是相关公司或组织的商标或注册商标。

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