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参数资料
| 型号： | MAX6699UE9C+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 8/19页 |
| 文件大小： | 295K |
| 描述： | IC TEMP MON 5CH PREC 16TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 功能： | 温度监控系统（传感器） |
| 传感器类型： | 内部和外部 |
| 感应温度： | -40°C ~ 125°C，外部传感器 |
| 精确度： | ±3°C（最小值） |
| 拓扑： | ADC，缓冲器，寄存器库 |
| 输出类型： | I²C?/SMBus? |
| 输出警报： | 是 |
| 输出风扇： | 是 |
| 电源电压： | 3 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 16-TSSOP |
| 包装： | 带卷 (TR) |
conversion results until they have been read. If the
most significant bits have not been read within an
SMBus timeout period (nominally 37ms), normal updat-
ing continues. Table 1 shows the main temperature
register (high byte) data format, and Table 2 shows the
extended resolution register (low byte) data format.
Diode Fault Detection
If a channels input DXP_ and DXN_ are left open, the
MAX6699 detects a diode fault. An open diode fault does
not cause either ALERT or OVERT to assert. A bit in the sta-
tus register for the corresponding channel is set to 1 and
the temperature data for the channel is stored as all 1s
(FFh). It takes approximately 4ms for the MAX6699 to
detect a diode fault. Once a diode fault is detected, the
MAX6699 goes to the next channel in the conversion
sequence. Depending on operating conditions, a shorted
5-Channel Precision Temperature Monitor
8 _______________________________________________________________________________________
Write Byte Format
Read Byte Format
Send Byte Format
Receive Byte Format
Slave Address: equiva-
lent to chip-select line of
a 3-wire interface
Command Byte: selects to
which register you are writing
Data Byte: data goes into the register
set by the command byte (to set
thresholds, configuration masks, and
sampling rate)
Slave Address: equiva-
lent to chip-select line
Command Byte: selects
from which register you
are reading
Slave Address: repeated
due to change in data-
flow direction
Data Byte: reads from
the register set by the
command byte
Command Byte: sends com-
mand with no data, usually
used for one-shot command
Data Byte: reads data from
the register commanded
by the last read byte or
write byte transmission;
also used for SMBus alert
response return address
S = Start condition
Shaded = Slave transmission
P = Stop condition
/// = Not acknowledged
S
ADDRESS
RD
ACK
DATA
///
P
7 bits
8 bits
WR
S
ACK
COMMAND
ACK
P
8 bits
ADDRESS
7 bits
P
1
ACK
DATA
8 bits
ACK
COMMAND
8 bits
ACK
WR
ADDRESS
7 bits
S
S
ADDRESS
WR
ACK
COMMAND
ACK
S
ADDRESS
7 bits
8 bits
7 bits
RD
ACK
DATA
8 bits
///
P
Figure 2. SMBus Protocols
TEMP (癈)
DIGITAL OUTPUT
>127
0111 1111
127
0111 1111
126
0111 1110
25
0001 1001
0.00
0000 0000
<0.00
0000 0000
Diode fault (open)
1111 1111
Diode fault (short)
1111 1111 or 1110 1110
Table 1. Main Temperature Register
(High Byte) Data Format
TEMP (癈)
DIGITAL OUTPUT
0
000X XXXX
+0.125
001X XXXX
+0.250
010X XXXX
+0.375
011X XXXX
+0.500
100X XXXX
+0.625
101X XXXX
+0.725
110X XXXX
+0.875
111X XXXX
Table 2. Extended Resolution Temperature
Register (Low Byte) Data Format
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX669EUB | 功能描述:电流型 PWM 控制器 1.8V to 28V Step-Up RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| MAX669EUB/V+ | 功能描述:电流型 PWM 控制器 1.8V to 28V Step-Up RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| MAX669EUB/V+T | 功能描述:电流型 PWM 控制器 1.8V to 28V Step-Up RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| MAX669EUB+ | 功能描述:电流型 PWM 控制器 1.8V to 28V Step-Up RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| MAX669EUB+T | 功能描述:电流型 PWM 控制器 1.8V to 28V Step-Up RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
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