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参数资料
| 型号： | MAX8688BHETG+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 17/38页 |
| 文件大小： | 0K |
| 描述： | IC PWR SUPPLY CTRLR/MONTR 24TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 75 |
| 应用： | 电源控制器/监控器 |
| 电源电压： | 3 V ~ 3.6 V |
| 电流 - 电源： | 6.7mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-WFQFN 裸露焊盘 |
| 供应商设备封装： | 24-TQFN-EP（4x4） |
| 包装： | 管件 |
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Digital Power-Supply Controller/Monitor
with PMBus Interface
Figure 8 shows how the MAX8688 interfaces to an exter-
nal serial SOT23 EEPROM (such as Atmel AT24C01A)
using the A1/SCLE and A2/SDAE in applications where a
master controller does not exist or is not required. Using
the GUI, the user can select each MAX8688 device and
configure all the required output-voltage settings and
sequencing/tracking information. Once the configuration
is complete, the results can be saved to the external
EEPROM by using the STORE_DEFAULT_ALL command
and configuration restored on the MAX8688 power-on
reset. The EEPROM can also be preprogrammed prior to
board assembly in the manufacturing environment.
A3/ONOFF can be used as a control signal to turn on/off
the POL in a similar fashion as the OPERATION command.
3.3V
MAX8688 Operation
Upon reset (power-on reset or applying the device
reset pulse to RST ), the MAX8688 goes through an ini-
tialization process as shown in Figure 9.
After initialization, the MAX8688 constantly monitors the
PMBus and executes the PMBus command according-
ly. In addition, if the POL has been commanded to turn
on, the MAX8688 also monitors the POL output voltage,
current, and temperature at the MFR_SAMPLE_RATE.
The system controller monitors the POL health by issu-
ing various inquiries and status commands.
V CC
EEPROM
33k ?
33k ?
0.1 μ F
DVDD
AVDD
0.1 μ F
A1
A2
DGND
AGND
A3
SCL
A1/SCLE
RS-
GND
SDA
A2/SDAE
RS+
LOAD
RS_C
MAX8688
ISN-
SYSTEM
CONTROLLER
A3/ONOFF
SCL
ISN+
ISN_C
R SENSE
SDA
RST
IRQ
FLT
REFO
CLKOUT
CLKIO
1 μ F
VO+
VO-
POL
Figure 8. Typical System Application with External EEPROM
DACOUT
ENOUT
REFIN
EN
V IN+
V IN-
______________________________________________________________________________________
17
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8688BHETG+ | 功能描述:电流和电力监控器、调节器 Digital Power-Supply Controller/Monitor RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
| MAX8688BHETG+T | 功能描述:电流和电力监控器、调节器 Digital Power-Supply Controller/Monitor RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
| MAX8688BLETG+ | 功能描述:电流和电力监控器、调节器 Digital Power-Supply Controller/Monitor RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
| MAX8688BLETG+T | 功能描述:电流和电力监控器、调节器 Digital Power-Supply Controller/Monitor RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
| MAX8688EVKIT+ | 功能描述:电流和电力监控器、调节器 DIGITAL POWER SUPPLY RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
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