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AP1400 Datasheet Preview

AP1400 Datasheet

Multi-channel System Power Control IC

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[AP1400]
AP1400
2 cell, Multi-channel System Power Control IC
1. General Description
The AP1400 is a multichannel system power supply IC that has a 4ch DC-DC converter and a 2ch
LDO, supporting input voltage up to 12V. It integrates a start sequence circuit, a current sense circuit,
an external load switch control circuit, and various protection functions. A power supply system can
be simply designed with the AP1400. In addition, the standby current is very low at 19 μA. The
AP1400 is housed in a small 65-pin WLCSP package, making it ideal for portable equipment such as
digital single lens reflex cameras and mirrorless cameras.
Operation Input Voltage
Startup Sequence
2. Features
4.0 to 12.0 V
The AP1400 can set the startup sequence and start time of each
regulator by register settings.
Protection Function
Standby Current
Operation Current
DC-DC Converter
Buck-boost
Buck
1ch
3ch
Switching Frequency
External CLK Synchronization
Internal Oscillation
Frequency Accuracy
Load Switch
2ch
LDO
2ch
Current Sense
3ch
Pre-start Abnormal Voltage Detection, Short-circuit Protection,
Overvoltage Protection, Thermal Protection, Undervoltage
Protection.
19 μA (max)
10 mA (max)
Soft Start, Output Discharge Function
DDC1: 5.3V / 700mA(max), Built-in FET
DDC2: 4.25V / 2300mA(max), Built-in FET
DDC3: 3.3V / 4000mA(max), External FET
DDC4: 4.0V / 600mA(max), Built-in FET
Selectable from 1 to 2.57 MHz
Recommended Frequency DDC1/2/4: 2 MHz, DDC3: 1 MHz
From 1.5 to 2.5 MHz
±3% (max) Ta=25°C, ±7% (max) -20 to 60°C
LDSW1: Ronmax=200mΩ
Constant Current Control, Output Discharge Function
LDSW2: Ronmax=200mΩ
Always-On
LDO5: 5.0V / 50mA(max) EN= “L”, 250mA(max) EN= “H”
LDO3: 3.3V / 50mA(max)
Sense Current Range: 0 to 6.4A
External Load Switch Control (with latch function)
CS1: Gain x20, x40, x100 Analog Output
(Maximum Output Voltage: 3.2V, Settling Time: 20μs)
CS2: Gain x20, x40
CS3: Gain x20, x40
Power Good Output
Start Detection Function for 4ch DC-DC Converter
and External 2ch LDO
016011190-E-00-PB
-1-
2016/09




AKM

AP1400 Datasheet Preview

AP1400 Datasheet

Multi-channel System Power Control IC

No Preview Available !

External Power Supply Voltage
for Communication
Interface
Operating Temperature
Package
3.3 V or 1.8 V
I2C Interface (400kHz max)
-30 to 70 °C
65-pin WLCSP (0.4 mm pitch, 2.9 mm x 4.1 mm)
3. Block Diagram
[AP1400]
016011190-E-00-PB
Figure 1. Block Diagram
-2-
2016/09


Part Number AP1400
Description Multi-channel System Power Control IC
Maker AKM
Total Page 5 Pages
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