| 绿色环保节能时代下的电子产品电源管理设计技术 | | | | 发布日期： 2008-03-31 |
| | |  | 产品规格 | 1X/1.5X/2x Charge Pump White LED Driver | 产品特性 | ．±1.5% LED Current Matching
．High Efficiency Up to 90% Over Li-ion Battery Discharge
．Output Current Up to 30mA per LED
．2.7V to 5.5V Operating voltage
．Allow to Turn On or Off a Combination of LEDs
．1x/1.5x/2x Charge Pump Modes
．Low Shutdown Current: 2uA maximum
．Low Input Ripple and EMI
．Internal Soft-start Limits Inrush Current
．Short Circuit Current Limit
．Thermal Shutdown Protection
．Output Overvoltage Protection
．3mmx3mm 16-pin QFN Package
．Lead Free Available (RoHS Compliant) | 产品应用 | ．Cellular Phone White LED Back light
．Portable device
．PDA, Handheld computer
．DSC | 文字介绍 | The APW7008 is a high efficiency charge pump white LED driver; the device drives up to four white LEDs with regulated constant current for uniform intensity. The supply voltage ranges from 2.7V to 5.5V and it is optimized for a Li-ion battery application. The APW7008 operates in 1x, 1.5x and 2x charge pump modes and automatically switches the charge pump modes depend on the input voltage to maintain the required power for high power efficiency. The APW7008 provides up to 30mA per LED, for a total of 120mA and allows several methods such as a PWM signal on the CTRL0 pin for LED dimming. Three control logic pins allow to disable or enable a combination of LEDs. The supply current is only 2mA in 2x mode, and the EN pin allows the device to enter shutdown mode with 2uA quiescent current. The APW7008 switches at 1MHz frequency and only requires four 1uF ceramic capacitors and one resistor, and ensures low input current ripple and EMI. The APW7008 is available in a 16-pin QFN package. | | |
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|  | 产品规格 | Step-Up Converter for 4 Series White LEDs Driver | 产品特性 | ．2.5 V to 6V Input Voltage Range
．400mA Internal Sw itch Current
．Up to 1MHz Switching Frequency
．70uA Typical No Load Quiescent Current
．0.1uA Typical Shutdown Current
．Internal Soft-start
．Up to 87% efficiency
．Operating Output Capacitor down to 0.1uF
．Over Voltage Protection included
．Lead Free Available (RoHS Compliant) | 产品应用 | ．Cellar Phones White LED Back Light
．PDAs, Handheld Computers
．Digital Still Cameras
．MP3 Players
．GPS Receivers | 文字介绍 | The APW7071 is a high frequency step-up DC/DC converter in a small 6-lead SOT23 package specially designed to drive white LEDs with a constant current. The device can drive up to 4 LEDs in series from one Li-Ion cell. The APW7071 is ideal for LCD panels requiring low current and high efficiency as well as white LED applications for cellular phone back-lighting. | | |
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|  | 产品规格 | 1MHz, High-Efficiency, Step-Up Converter for 2 to 8 White LEDs | 产品特性 | ．Wide Input Voltage from 2.7V to 6V
．0.25V Reference Voltage
．Fixed 1MHz Switching Frequency
．High Efficiency up to 87%
．100Hz to 100KHz PWM brightness control frequency
．Open-LED Protection
．Under Voltage Lockout Protection
．Over Temperature Protection
．<1uA Quiescent Current during Shutdown
．SOT-23-6 Package
．Lead Free Available (RoHS Compliant) | 产品应用 | ．White LED Display Backlighting
．Cell Phone and Smart Phone
．PDA, PMP, MP3
．Digital Camera | 文字介绍 | The APW 7136A/B/C is a current-mode and fixed frequency boost converter with an integrated N-FET to drive up to 8 white LEDs in series.
The series connection allows the LED current to be identi ca l fo r un ifo rm b ri gh tn es s. It s lo w on -resi st an ce o f N-FET and feedback voltage reduce power loss and achieves high efficiency. Fast 1MHz current-mode PWM operation is available for input and output capacitors and a small inductor while m inim izing ripple on the input supply. The OVP pin monitors the output voltage and stop switching if exceeds the over-voltage threshold. An internal soft-start circuit eliminates the inrush current during start-up.
The APW7136A/B/C also integrates under-voltage lockout, over-temperature protection and current limit circuits. The APW 7136/A/B/C is available in a SOT-23-6 package. | | |
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|  | 产品规格 | 1MHz, High Efficiency, Step-Up Converter with Internal FET Switch | 产品特性 | ．Wide 2.5V to 6V Input Voltage Range
．Built-in 0.6N-channel MOSFET
．Built-in Soft-Start
．High Efficiency up to 90%
．<1uA Quiescent Current during Shutdown
．Current-Mode Operation
-Stable with Ceramic Output Capacitors
-Fast Transient Response
．Current-Limit Protection
．Over-Temperature Protection with Hysteresis
．Available in a Tiny 5-Pin SOT-23 Package
．Lead Free and Green Devices Available(RoHS Compliant) | 产品应用 | ．Cell Phone and Smart Phone
．PDA, PMP, MP3
．Digital Camera
．Boost Regulators | 文字介绍 | The APW7137 is a fixed switching frequency( 1MHz typical), current-mode, step-up regulator with an integrated N-channel MOSFET. The device allows the usage of small inductors and output capacitors for portable devices. The current-mode control schem e provides fast transient response and good output voltage accuracy. The APW7137 in cludes under-voltage lockout, current limit, and over temperature shutdown preventing damage in the event of an output overload. | | |
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| 【Atmel - ATmega406 - Single-Chip Smart Battery Solution】 | |
|  | 产品规格 | 1. 40-Kbyte self-programming Flash Program Memory
2. 2-Kbyte SRAM, 512-Byte EEPROM
3. up to 4 Battery Cells in series
4. 12-bit Voltage ADC, Coulomb Counter Current measurement
5. SM-bus interfae, JTAG interface for on-chip debug
6. Up to 1 MIPS throughput at 1 MHz. 4 - 25 Volt Operation. | 产品特性 | 1. High Performance, Low Power AVR® 8-bit Microcontroller
2. Nonvolatile Program and Data Memories
3. High voltage operation
4. Battery Management Features
5. High Accuracy ADC
6. Charge left estimation | 产品应用 | 1. Digital Still Camera
2. Camcorder
3. Power Tools
4. Supports 5 LEDs and pushbutton for battery indication | 文字介绍 | | | |
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|  | 产品规格 | 输入电压 16V~ 30V
工作温度 -40℃ to +125℃
包装 8-DIP,8-SOP | 产品特性 | 高电压启动
准谐振操作
周期的电流限制
峰值电流模式控制
内部最低Toff
内部1.8ms软启动
自动恢复过流保护
外部锁存触发 | 产品应用 | 电源适配器
开放式开关电源 | 文字介绍 | FAN6300是一个高度集成的PWM控制器提供了几种特性，以增强表现反激式转换器。内置高压启动电路，可提供更多的启动电流，以加快启动的时间。
有一个内部电压检测器可以确保电力系统运作，在广泛的范围电压和任何负荷的情况下，也可以减少开关MOSFET的的损耗。一旦电源电压超过，则高压启动功能，将立即得到更好的功率消耗。
FAN6300一个专有的绿色模式功能提供关断时间调制，以减少开关频率，也延长电压开关，以保持最小开关电压，以尽量减少待机电消耗及轻载效率。
FAN6300控制器还提供了许多保护功能，当短路发生时，脉冲电流将被限制，以确保固定峰值电流准位，一旦断路故障发生在反馈环路，内部保护电路将禁用的PWM输出立即。 | | |
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| 【Fairchild - LED Lighting AC/DC PWM Controller】 | |
|  | 产品规格 | SGP100 : Primary Side Control , CC/CV function inside
FSEZ1016 : Primary Side Control with 1A/600V MosFET, CC/CV function inside
SGP400 : Green Mode Flyback PWM , CC/CV function inside | 产品特性 | ·Constant Voltage and Constant Current
·Fixed Frequency at 42KHz with Frequency Hopping to Solve EMI Problem
·Low Startup Current 10μA
·Low Operating Current 6.5mA
·Gate Output Maximum Voltage Clamped at 18V | 产品应用 | ·Replace RCC SMPS
·LED Power
·Battery Charger for PND | 文字介绍 | 基于节能需求日渐高涨, 近年来LED Lighting需求也相对的提升. 美国快捷半导体(Fairchild Semiconductor)针对LED Lighting应用推出了系列AC/DC PWM IC, 并针对不同规格需求提供相对应的Total Solution. 目前该设计已获多家专业制造商测试评估中.
目前推广中针对不同规格所建议的Driver IC如下
·小于5W应用推荐 SGP100 – Primary Side Control IC, CC/CV function inside
·小于10W应用推荐 FSEZ1016 – Primary Side Control IC + 1A/600V MosFET, CC/CV function inside
·小于30W 应用推荐 SGP400 – Green Mode Flyback PWM IC, CC/CV function inside | | |
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|  | 产品规格 | CoolMOS | 产品特性 | 500V, 600V, 800V MOS. | 产品应用 | PC Power, Server Power, IPC Power, TV Power, ADP | 文字介绍 | CoolMOS 金氧半场效晶体管(MOSFET)是专为计算机服务器中的电源供应器和其它高电源密度的应用所设计，如使用于电讯设备与平面显示器。该产品具有更良好的热管理能力，能设计出更小的电源供应器；另外，其电压切换速度为每奈秒150V，并具有500V,600V,800V电瓦的阻隔能力。 | | |
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| 【Infineon - CoolSET-F3系列】 | |
|  | 产品规格 | CoolSET | 产品特性 | PWM controller I.C + CoolMOS | 产品应用 | PC Power, Server Power, IPC Power, TV Power, ADP | 文字介绍 | 英飞凌科技展示最新功率第三代的整合式多芯片功率集成电路系列，在切换式电源供应〈SMPS〉应用上的功率半导体领导厂商地位。这种新型的CoolSET F3 系列视应用上的需要而定，待机的耗电量比竞争品牌产品低了三分之一。CoolSET F3系列使SMPS制造厂商得以迅速设计出更轻、更具成本效益、可靠性高、效率佳的供电系统。其典型的应用，包括：DVD 录放影机、平板液晶显示器、数码动画摄影机、与笔记型计算机、以及其它可携式设备的电源转换器的供电.CoolSET F3系列有业界最低的待机耗电量，能够显著的达成这些方面上的能源节约. | | 我 |
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| 【Infineon - OptiMOS3 40V】 | |
|  | 产品规格 | OptiMOS 3 30V SSO8 | 产品特性 | OptiMOS3 40V、60V 和 80V系列可在导通电阻等重要功率转换指标方面提供业内领先的性能， 使其能够在采用标准TO（晶体管外形）封装的条件下，降低30%的功耗。OptiMOS3 40V、60V 和80V系列具备较低的开关损耗和导通电阻，与其它竞争性解决方案相比，可增加高达30%的功率密度，使相关应用的组件数降低25%以上。 | 产品应用 | 快速开关SMPS和DC/DC转换器 | 文字介绍 | OptiMOS 3 30V系列采用SuperSO8TM 封装具备最低1.6 m |
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| 【Infineon - OptiMOS3 60V】 | |
|  | 产品规格 | OptiMOS 3 40V DPAK | 产品特性 | OptiMOS3 40V、60V 和 80V系列可在导通电阻等重要功率转换指标方面提供业内领先的性能， 使其能够在采用标准TO（晶体管外形）封装的条件下，降低30%的功耗。OptiMOS3 40V、60V 和80V系列具备较低的开关损耗和导通电阻，与其它竞争性解决方案相比，可增加高达30%的功率密度，使相关应用的组件数降低25%以上。 | 产品应用 | 快速开关SMPS和DC/DC转换器 | 文字介绍 | OptiMOS 3 40V系列可满足多种应用中的快速开关SMPS和DC/DC转换器的需求，比如打印机、非绝缘工业转换器和绝缘DC/DC转换器，在这些应用中30V MOSFET不能提供足够的击穿电压。在SuperSO8封装下，OptiMOS 3 40V系列的导通电阻低至1.6m | | |
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| 【Infineon - OptiMOS3 80V】 | |
|  | 产品规格 | OptiMOS 3 60V 80V TO220 | 产品特性 | OptiMOS3 40V、60V 和 80V系列可在导通电阻等重要功率转换指标方面提供业内领先的性能， 使其能够在采用标准TO（晶体管外形）封装的条件下，降低30%的功耗。OptiMOS3 40V、60V 和80V系列具备较低的开关损耗和导通电阻，与其它竞争性解决方案相比，可增加高达30%的功率密度，使相关应用的组件数降低25%以上。 | 产品应用 | SMPS和电机控制装置及直流/直流无刷电机和有刷电机驱动器的二次侧整流 | 文字介绍 | OptiMOS3 60V 80V系列 这种全新的MOSFET可提供一流的导通电阻；例如OptiMOS3 80V采用TO-220封装可提供2.8 m | | |
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| 【Infineon - PFC controller I.C】 | |
|  | 产品规格 | PFC controller I.C | 产品特性 | DCM/CCM PFC controller I.C | 产品应用 | PC Power, Server Power, IPC Power, TV Power, ADP | 文字介绍 | ICE2PCS02采用了BiCMOS技术，使用很少的外围元件即可满足PFC应用的全部要求。为提高功率转换效率.特性如下
1.增强的动态响应特性
2.输入欠压保护.
3.开路保护
4.输出过压保护
5.软过流控制(SOC)和峰值电流限制
6.芯片供电的欠压闭锁 | | |
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|  | 产品规格 | Integrated PFC and flyback controller
Universal mains supply operation (70 V to 276 VAC)
High level of integration, resulting in a very low external component count | 产品特性 | ·Safe restart mode for system fault conditions
·Continuous mode protection by means of demagnetization detection for both converters
·Undervoltage protection (foldback during overload)
·Accurate over-voltage protection for both converters (adjustable for flyback converter)
·Open control loop protection for both converters
·IC over-temperature protection
·Low and adjustable over-current protection trip level for both converters
·Soft (re)start for both converters
·Mains undervoltage protection/ brown out protection
·General purpose input for latched protection, e.g. to be used for system over-temperature protection | 产品应用 | The device can be used in all applications that demand an efficient and cost-effective power supply solution from 75W up to 250 W. Notebook adapters can especially benefit from the high Integration level. | 文字介绍 | The GreenChip™III is the third generation of green Switched Mode Power Supply (SMPS) controller ICs. The TEA1750 integrates a controller for power factor correction and a flyback controller. Its high level of integration allows the design of a cost effective power supply with a very low number of external components. |
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