参数资料
型号: MAX16013TT+T
厂商: Maxim Integrated Products
文件页数: 7/12页
文件大小: 0K
描述: IC OVERVOLTAGE PROT/DETEC 6TDFN
其它有关文件: Automotive Product Guide
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
类型: 简单复位/加电复位
监视电压数目: 1
输出: 开路漏极或开路集电极
复位: 低有效
复位超时: 最小 <1 ms
电压 - 阀值: 可调节/可选择
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 6-WDFN 裸露焊盘
供应商设备封装: 6-TDFN 裸露焊盘(3x3)
包装: 标准包装
其它名称: MAX16013TT+TDKR
Ultra-Small, Overvoltage Protection/
Detection Circuits
V BATT
P1
P2
R1
IN+
V CC
R PULLUP
V BATT
R2
GATE1
V CC
GATE2
REF
MAX16012
OUT
OUT
MAX16013
R1
SET
IN-
GND
GND
R2
Figure 2. Typical Operating Circuit for the MAX16012
The MAX16013/MAX16014 can be configured as an
overvoltage switch controller to turn on/off a load (see
the Typical Application Circuit). When the programmed
overvoltage threshold is tripped, the internal fast com-
parator turns off the external p-channel MOSFET (P2),
pulling GATE2 to V CC to disconnect the power source
from the load. When the monitored voltage goes below
the adjusted overvoltage threshold, the MAX16013
enhances GATE2, reconnecting the load to the power
source (toggle ENABLE on the MAX16014 to reconnect
the load). The MAX16013 can be configured as an
overvoltage limiter switch by connecting the resistive
divider to the load instead of V CC (Figure 3). See the
Overvoltage Limiter section.
Supply Voltage
Connect a 5.5V to 72V supply to V CC for proper opera-
tion. For noisy environments, bypass V CC to GND with a
0.1μF or greater capacitor. When V CC falls below the
UVLO voltage the following states are present (Table 1).
Figure 3. Overvoltage Limiter Protection
Hysteresis
Hysteresis adds noise immunity to the voltage monitors
and prevents oscillation due to repeated triggering
when the monitored voltage is near the threshold trip
voltage. The hysteresis in a comparator creates two trip
points: one for the rising input voltage (V TH+ ) and one
for the falling input voltage (V TH- ). These thresholds are
shown in Figure 4.
Enable Inputs (EN or EN )
The MAX16011 offers an active-high enable input (EN),
while the MAX16010 offers both an active-high enable
input (EN) and active-low enable input ( EN ). For the
MAX16010, drive EN low or EN high to force the output
low. When the device is enabled (EN = high and EN =
low) the state of OUTA and OUTB depends on INA+
and INB- logic states.
V HYST
Table 1. UVLO State (V CC < V UVLO )
V IN+
V TH+
PART
MAX16010
OUTA
Low
Low
OUTB
OUT
GATE2
V TH-
MAX16011
MAX16012
Low
Low, LOGIC = low
High, LOGIC = high
Low
V OUT
V CC
t PROP
t PROP
t PROP
MAX16013
MAX16014
High
0V
Figure 4. Input and Output Waveforms
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