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参数资料
| 型号： | MAX8688BLETG+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 29/38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
3) Responds as specified by IOUT_OC_FAULT_
RESPONSE bits in the MFR_FAULT_RESPONSE
register.
4) Notifies the host using FLT assertion.
IOUT_OC_WARN_LIMIT (4Ah)
The IOUT_OC_WARN_LIMIT command sets the value of
the output current, in amperes, measured across ISN+
and ISN- that causes an output overcurrent warning.
The 2 data bytes are in DIRECT format. Valid values are
the same as the IOUT_OC_FAULT_LIMIT.
The default IOUT_OC_WARN_LIMIT value is 00h.
In response to the IOUT_OC_WARN_LIMIT being
exceeded, the MAX8688:
1) Sets the OTHER bit in the STATUS_BYTE.
TON_DELAY (60h)
TON_DELAY sets the time, in milliseconds, from when a
start condition is received (a valid OPERATION com-
mand or through A3/ONOFF when enabled) until the
POL output voltage starts to rise. During TON_DELAY,
the POL is disabled (ENOUT deasserted) until
TON_DELAY expires. Also, the undervoltage fault and
warning are masked off during TON_DELAY.
The 2 data bytes are in DIRECT format. Valid values are
from 0 to 3276.7ms.
The default TON_DELAY value is 0ms.
TON_RISE (61h)
The TON_RISE sets the time, in milliseconds, from
when the POL output voltage starts to rise until the volt-
age has entered the regulation band. During
2) Sets the IOUT_OC_WARN bit
MFR_FAULT_STATUS register.
3) Notifies the host using FLT assertion.
in
the
TON_RISE, the voltage, current, and temperature-relat-
ed faults and warnings are masked off. Meanwhile, the
MAX8688 still responds to the PMBus command. If a
TON_RISE parameter results in the DAC outputting an
OT_FAULT_LIMIT (4Fh)
The OT_FAULT_LIMIT command sets the temperature,
in degrees Celsius, of the on-chip temperature sensor
at which an overtemperature fault is detected.
The 2 data bytes are in DIRECT format. Valid values are
from -142.5°C to +395.4°C.
The default OT_FAULT_LIMIT value is 00h.
In response to the OT_FAULT_LIMIT being exceeded,
the MAX8688:
? Sets the TEMPERATURE bit in the STATUS_BYTE.
? Sets the OT_FAULT bit in the MFR_FAULT_STATUS
register.
? Responds as specified by OT_FAULT_RESPONSE
bits in the MFR_FAULT_RESPONSE register.
? Notifies the host using FLT assertion.
OT_WARN_LIMIT (51h)
The OT_WARN_LIMIT command sets the temperature,
in degrees Celsius, of the on-chip temperature sensor
at which an overtemperature warning is detected.
The 2 data bytes are in DIRECT format. Valid values are
the same as the OT_FAULT_LIMIT.
The default OT_WARN_LIMIT value is 00h.
In response to the OT_WARN_LIMIT being exceeded,
the MAX8688:
? Sets the TEMPERATURE bit in the STATUS_BYTE.
? Sets the OT_WARN bit in the MFR_FAULT_STATUS
register.
? Notifies the host through FLT using assertion.
out-of-range value (valid range 0 to 4090) immediately
during TON_RISE, the CML flag is set and FLT asserts
to issue a warning.
In feedback mode, the MAX8688 leaves the S1 switch
on the DAC open during soft-start. It waits for the
TON_RISE time to expire before adjusting the DAC out-
put to equal the DACOUT feedback and then closes S1.
The 2 data bytes are in DIRECT format. In REFIN mode,
the TON_RISE parameter is a 16-bit value and the valid
values are from 0.01ms to 32.767ms. In FB mode, the
TON_RISE is a 14-bit value and the valid values are
from 0.01ms to 16.383ms (the upper 2 bits are
ignored).
The default TON_RISE value is 0.01ms. Setting any
value less than this minimum value defaults back to
0.01ms.
TOFF_DELAY (64h)
The TOFF_DELAY sets the time, in milliseconds, from
when a STOP condition is received (a soft-off OPERATION
command or through A3/ONOFF when enabled) until the
POL stops transferring energy to the output.
When commanded to turn off immediately through the
OPERATION command, the TOFF_DELAY value is
ignored. When commanded to turn off through
A3/ONOFF (when enabled), the TOFF_DELAY parame-
ter is used.
The 2 data bytes are in DIRECT format. Valid values are
from 0 to 3276.7ms.
The default TOFF_DELAY value is 0ms.
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| MAX868EUB+ | 功能描述:电荷泵 Reg/Adj -2x Invertin Charge Pump RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube |
| MAX868EUB+T | 功能描述:电荷泵 Reg/Adj -2x Invertin Charge Pump RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube |
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