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参数资料
| 型号： | MAX8688AHETG+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 18/38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： | 2,500 |
| 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： | 带卷 (TR) |
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Digital Power-Supply Controller/Monitor
with PMBus Interface
RST Operation
RESET
INITIALIZE INTERNAL
REGISTERS
SET ADDRESS
ACCORDING TO
A3:A1
The RST signal can be used to reset either the SMBus
interface or the MAX8688 depending on the RST pulse
width. To reset the SMBus interface, the RST signal is
held low for t SMB_RST . This resets the SMBus interface,
thus flushing any pending PMBus commands or portion
of commands received thus far. None of the other
MAX8688 internal registers are affected by an SMBus
reset. If the host controller applies an active-low pulse
to RST for t RST , the MAX8688 undergoes a device reset
and repeats the initialization process.
ENOUT Operation
To ensure a known and controlled POL power-up state,
the MAX8688 is factory-programmed to a specific
ENOUT initial power-up state. There are two types of
VALID EEPROM?
Y
RESTORE
CONFIGURATION
FROM EEPROM
N
POLs —active-high enable or active-low enable. By
default, the MAX8688 assumes that the initial power-up
state is the off-state. To operate properly, the POL on-
state has to be configured. To configure the ENOUT
active state, use the MFR_MODE command ENOUT
Polarity Select.
Table 2. ENOUT Active State
ENOUT DEFAULT
STARTUP STATE
0 (Low)
ENOUT POLARITY
SELECT
0
ENOUT ACTIVE
STATE
Active High
INTERNAL
REFERENCE
STABLE?
N
ASSERT
FLT
0 (Low)
1 (High)
1 (High)
1
0
1
Active Low
Active Low
Active High
Y
ENABLE PMBus
COMMUNICATION
PMBus
COMMAND?
N
MAX8688 Address Assignment
The MAX8688 address can be assigned in one of the
three ways described below:
1) Hardwire by A3:A2:A1.
2) Restore from EEPROM.
3) By system controller using the MFR_SET_ADDRESS
command.
Address assignment order is shown in Figure 10.
Y
EXECUTE PMBus
COMMAND
Figure 9. MAX8688 Initialization
18
______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8688ALETG/GH9 | 功能描述:电流和电力监控器、调节器 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 |
| MAX8688ALETG/GH9-T | 功能描述:电流和电力监控器、调节器 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 |
| MAX8688ALETG+ | 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 |
| MAX8688ALETG+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 |
| 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 |
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