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RT5002 Fiches technique(PDF) 39 Page - Richtek Technology Corporation

No de pièce RT5002
Description  7 1 Channel DC/DC PMU with Li-Ion Battery Charger for DSC
PDF  40 Pages
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Fabricant  RICHTEK [Richtek Technology Corporation]
Site Internet  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT5002 Fiches technique(HTML) 39 Page - Richtek Technology Corporation

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RT5002
39
DS5002-00
November 2011
www.richtek.com
Protection
Type
Threshold (Typical)
Refer to Electrical
spec.
Protection Methods
IC
Shutdown
Delay Time
Reset Method
Current
limit
N-MOSFET current >
1.2A
N-MOSFET off,
P-MOSFET off.
Automatic reset at next
clock cycle.
100ms
VDDM power reset or
EN1234 pin set to low
PVD5 OVP
PVD5 > 22V
N-MOSFET off,
P-MOSFET off.
No-delay
VDDM power reset or
EN1234 pin set to low
FB5 UVP
FB5 < 0.6V after
soft-start end.
N-MOSFET off,
P-MOSFET off.
100ms
VDDM power reset or
EN1234 pin set to low
FB5 Over
Load
FB5 < 1.1V
PMU Shutdown when
OL occur each cycle
until 100ms.
100ms
VDDM power reset or
EN1234 pin set to low
CH5
Step-Up
PVD5 UVP
PVD5 < (VSYS
−0.2V)
N-MOSFET off,
P-MOSFET off.
100ms
VDDM power reset or
EN1234 pin set to low
Current
limit
P-MOSFET current >
1.5A
P-MOSFET off.
Automatic reset at next
clock cycle.
100ms
VDDM power reset or
EN1234 pin set to low
PVD6 OVP
PVD6 < -13V
P-MOSFET off.
No-delay
VDDM power reset or
EN1234 pin set to low
FB6 UVP
FB6 > 1.2V
P-MOSFET off.
100ms
VDDM power reset or
EN1234 pin set to low
CH6
Async
Inverting
FB6 Over
Load
FB6 > 0.74V
PMU Shutdown when
OL occur each cycle
until 100ms.
100ms
VDDM power reset or
EN1234 pin set to low
Current
limit
N-MOSFET current >
0.8A
N-MOSFET off,
P-MOSFET off.
Automatic reset at next
clock cycle.
100ms
VDDM power reset or
EN1234 pin set to low
CH7
WLED
PVD7 OVP
PVD7 > 15V
N-MOSFET off,
P-MOSFET off.
Shutdown CH7 by self
No-delay
VDDM power reset
and Reg0x00[4 to 0] =
00000 reset or
EN1234 pin set to low
Thermal
Thermal
shutdown
Temperature > 155
°C
All channels stop
switching
No-delay
VDDM power reset or
EN1234 pin set to low
Protection
Type
Threshold (Typical)
Refer to Electrical Spec.
Protection
Methods
Charger Shutdown
Delay Time
Reset Method
VIN UVLO
VIN < 3.3V
No-charge
No-delay
No latch
VIN
VIN OVP
VIN > 6.5V
No-charge
No-delay
No latch



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