ncp367 ON Semiconductor, ncp367 Datasheet

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ncp367

Manufacturer Part Number
ncp367
Description
Ncp367 Battery Charge Front-end Protection, Usb And Ac/dc Supply Compliant
Manufacturer
ON Semiconductor
Datasheet

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NCP367
Battery Charge Front-End
Protection, USB and AC/DC
Supply Compliant
disconnecting the systems from its output pin in case wrong charging
conditions are detected. The system is positive overvoltage protected
up to +30 V. Thanks to a very low current consumption, the USB
charge is compatible with this integrated component.
unnecessary, which reduces the system cost and PCB area of the
application board. First, NCP367 is able to instantaneously
disconnect the output from the input if the input voltage exceeds the
overvoltage threshold. Additional overcurrent protection function
allows turning off internal PMOS FET when the charge current
exceeds current limit, which is externally selectable.
divide it by internal gain, allowing USB 100 mA/500 mA charging or
USB/Wall adapter charging up to overcurrent threshold. At the same
time, Li ion Battery voltage is continuously monitored, providing
more safety during the charge. Thermal shutdown protection is also
available.
alerts the system that a fault has occurred as overvoltage (power
supply or battery voltage), overcurrent or thermal event.
bypassed with a 1 mF or larger capacitor.
Features
© Semiconductor Components Industries, LLC, 2011
January, 2011 − Rev. 1
NCP367 is a charge path protection device which allows
This device uses internal PMOS FET, making external devices
The current limit value can be modified with control logic pin to
NCP367 provides a negative going flag (FLAG) output, which
In addition, the device has ESD-protected input (15 kV Air) when
ESD Ratings:
Overvoltage Protection Up to + 30 V
Fast Turn Off Time
Very Low Current Consumption/USB Compliant
Li ion Battery Voltage Monitoring
Overvoltage Lockout (OVLO)
Undervoltage Lockout (UVLO)
Overcurrent Protection Externally Adjustable (OCP) up to 2.8 A
Thermal Shutdown
Shutdown EN and Gain Input Pins
Soft−Start to Eliminate Inrush Current
Alert FLAG Output
Compliance to IEC61000-4-2 (Level 4)
ESD Ratings: Machine Model = B
8 Lead DFN 2.2x2 mm Package
8 kV (Contact), 15 kV (Air)
Human Body Model = 2
1
Typical Applications
See detailed ordering, marking and shipping information in the
package dimensions section on page 9 of this data sheet.
USB Devices
Mobile Phones
Peripheral
Personal Digital Applications
MP3 Players
(Note: Microdot may be in either location)
VBAT
ILIM
ORDERING INFORMATION
NC
XX = Specific Device Code
M
G
IN
MARKING DIAGRAM
http://onsemi.com
PIN ASSIGNMENT
= Date Code
= Pb−Free Device
1
2
3
4
1
CASE 506BP
MU SUFFIX
(Top View)
XX MG
DFN8
1
OUT
Q
G
Publication Order Number:
8
8
7
6
5
GND
FLAG
GS
EN
NCP367O/D

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ncp367 Summary of contents

Page 1

... Battery Charge Front-End Protection, USB and AC/DC Supply Compliant NCP367 is a charge path protection device which allows disconnecting the systems from its output pin in case wrong charging conditions are detected. The system is positive overvoltage protected up to +30 V. Thanks to a very low current consumption, the USB charge is compatible with this integrated component ...

Page 2

... Wall Adapter / USB MCU VIN/VUSB ILIM GS GND NCP367 9 IN OUT 7 EN FLAG VBAT GS 4 GND ILIM 100 k DCDC Figure 1. Typical Application Circuit Soft−Start I limit + GAIN 1/2.75 LDO Driver VREF OVLO Logic + UVLO Timer EN Pin Figure 2. Functional Block Diagram http://onsemi ...

Page 3

PIN FUNCTION DESCRIPTION Pin Name Type 1 IN POWER Input Voltage Pin. This pin is connected to the power supply: Wall Adapter or USB low ESR ceramic capacitor, or larger, must be connected between this pin and ...

Page 4

... OVLO NCP367DPMUEC NCP367DPMUEE NCP367DPMUEL NCP367OPMUEO Overvoltage Lockout Hysteresis OVLO Vin versus Vout Resistance R Supply Quiescent Current Disable Mode Idd Overcurrent Threshold I NCP367Dx NCP367Ox Overcurrent Response Current Limit Gain NCP367Dx GS NCP367Ox Battery Overvoltage Threshold OV Battery Overvoltage Hysteresis OV V Pin Leakage VBAT BAT V ...

Page 5

TYPICAL OPERATING CHARACTERISTICS /FLAG start /FLAG Figure 3. Hot Plug−in from and t on start out t start /Flag Figure 5. Retrieve Normal ...

Page 6

TYPICAL OPERATING CHARACTERISTICS 2.00 1.98 1.96 1.94 UVLO + hysteresis 1.92 1.90 1.88 UVLO 1.86 1.84 1.82 1.80 −50 − TEMPERATURE (°C) Figure 8. UVLO and Hysteresis 4.40 4.35 4.30 4.25 4.20 4.15 4.10 −50 −25 0 ...

Page 7

... Operation The NCP367 is an integrated IC which offers a complete protection of the portable devices during the Li ion battery charge. First, the input pin is protected up to +30 V, protecting the down stream system (charger, transceiver, system...) against the power supply transients such as inrush current or defective functionality. Additional protection level is ...

Page 8

... Internal PMOS FET NCP367 includes an internal PMOS FET to protect the systems, connected on OUT pin, from positive over-voltage. Regarding electrical characteristics, the R , during normal operation, will create low losses on DSon V pin versus V , thanks to very low R ...

Page 9

... NCP367OPMUEOTBG †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. SELECTION GUIDE The NCP367 can be available in several undervoltage and overvoltage thresholds versions. Part number is designated as follows: NCP367xxMUxxTBG ...

Page 10

... DIMENSIONS: MILLIMETERS ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your loca Sales Representative NCP367/D ...

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