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HIP1013_04 Datasheet(数据表) 6 Page - Intersil Corporation

部件型号  HIP1013
说明  Low Cost Dual Power Distribution Controller
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制造商  INTERSIL [Intersil Corporation]
网页  http://www.intersil.com/cda/home
标志 INTERSIL - Intersil Corporation

HIP1013 Datasheet(HTML) 6 Page - Intersil Corporation

  HIP1013_04 数据表 HTML 1Page - Intersil Corporation HIP1013_04 数据表 HTML 2Page - Intersil Corporation HIP1013_04 数据表 HTML 3Page - Intersil Corporation HIP1013_04 数据表 HTML 4Page - Intersil Corporation HIP1013_04 数据表 HTML 5Page - Intersil Corporation HIP1013_04 数据表 HTML 6Page - Intersil Corporation HIP1013_04 数据表 HTML 7Page - Intersil Corporation HIP1013_04 数据表 HTML 8Page - Intersil Corporation  
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HIP1013 Description and Operation
The HIP1013 offers the designer a cost efficient 5V and 12V
true hot plug controller. This device drives two external
N-Channel MOSFET switches and uses a charge pump to
provide
17V to drive the gate of the 12V supply switch. The
HIP1013 features Over Current (OC) programing with a
single external resistor, RILIM and during turn-on, the gate
capacitor of each external N-Channel MOSFET is charged
with a 10
µA current source. These capacitors create a
programmable ramp (soft turn-on).
Upon initial power up, the HIP1013 can either isolate the
voltage supply from the load by holding the external
N-Channel MOSFET switches off or apply the supply rail
voltage directly to the load for true hot swap capability. In
either case the HIP1013 turns on in a soft start mode
protecting the supply rail from sudden current loading.
The load currents pass through two external current sense
resistors. When the voltage across either resistor exceeds
the user programmed Over Current (OC) voltage threshold
value, (see Table 1) the HIP1013 controller turns both
N-Channel MOSFETs off in
2µs.
The HIP1013 is reset by a rising edge on either PWRON pin
and is turned on by either PWRON pin being driven low. The
HIP1013 can control either +12V/5V or +3.3V/+5V supplies.
Tying the PWRON1 pin to VDD, invokes the +3.3V/+5V
voltage mode. In this mode, the external charge pump
capacitor is not needed and CPUMP, pin 11 is also tied
directly to VDD. Upon any OC or Under Voltage (UV)
condition the PGOOD fault indicating signal will pull low
when tied high through a resistor to the logic supply.
FIGURE 7. OC VOLTAGE THRESHOLD WITH = RILIM 10kΩ
FIGURE 8. POWER ON RESET VOLTAGE THRESHOLD
Typical Performance Curves (Continued)
20
40
60
80
-40
0
-20
12 OC VTth
5 OC Vth
TEMPERATURE (°C)
102.5
102.0
101.5
101.0
100.5
-40
-20
0
20
40
60
80
-30
-10
10
30
50
70
10.2
10.0
9.8
9.6
TEMPERATURE (°C)
VDD LOW TO HIGH
VDD HIGH TO LOW
TABLE 1.
RILIM RESISTOR
NOMINAL OC VTH
15K
150mv
10K
100mV
7.5K
75mV
4.99K
50mV
NOTE: Nominal OC Vth = RILIM x 10 µA
HIP1013




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