[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. 2. Features 4.0 to 12.0 V Operation Input Voltage Startup Sequence The AP1400 can set the startup sequence and start time of each regulator by register settings. Protection Function Pre-start Abnormal Voltage Detection, Short-circuit Protection, Overvoltage Protection, Thermal Protection, Undervoltage Protection. Standby Current 19 μA (max) Operation Current 10 mA (max) DC-DC Converter Buck-boost Buck 1ch 3ch Switching Frequency External CLK Synchronization Internal Oscillation Frequency Accuracy 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 Load Switch 2ch LDSW1: Ronmax=200mΩ Constant Current Control, Output Discharge Function LDSW2: Ronmax=200mΩ LDO 2ch Always-On LDO5: 5.0V / 50mA(max) EN= “L”, 250mA(max) EN= “H” LDO3: 3.3V / 50mA(max) Current Sense 3ch 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 2016/09 -1- [AP1400] External Power Supply Voltage for Communication 3.3 V or 1.8 V Interface I2C Interface (400kHz max) Operating Temperature -30 to 70 °C Package 65-pin WLCSP (0.4 mm pitch, 2.9 mm x 4.1 mm) 3. Block Diagram Figure 1. Block Diagram 016011190-E-00-PB 2016/09 -2- [AP1400] 4. Pin Configurations ・Top View VIN2 SW2 PG2 CS3H PG4 SW4 VIN4 1A 2A 3A 4A 5A 6A 7A VIN2 SW2 PG2 CS3L PG4 SW4 VIN4 1B 2B 3B 4B 5B 6B 7B VIN2 SW2 PG2 GPCS3 VO4 EX2EN 1C 2C 3C 4C 6C 7C VIN3 VO2 CS1H CS1L EX2S EX1EN 1D 2D 4D 5D 6D 7D GP3 GPCS1 CS2L CS2H CS1A EX1S GND 1E 2E 3E 4E 5E 6E 7E SW3 GPCS2 SDA SCL TST EN VDDI 1F 2F 3F 4F 5F 6F 7F PG3 CC3 CS23D EXCL LDSW2 VD3 1G 2G 3G 4G 6G 7G GN3 VO3 CS1D PWGD VIO 1H 2H 4H 5H 7H VIN1 SW1D PG1 SW1U VO1 VD5 VBAT 1J 2J 3J 4J 5J 6J 7J VIN1 SW1D PG1 SW1U VO1 VD5 LDSW1 1K 2K 3K 4K 5K 6K 7K Figure 2. Pin Configurations 016011190-E-00-PB 2016/09 -3- [AP1400] 5. Package ■ Outline Dimensions ・65-pin WLCSP (0.4mm pitch) Figure 3. Outline Dimensions ■ Marking 1400 Y WW Z : Product name (number part only) : Year of manufacture : Production week : Management code Figure 4. Marking 016011190-E-00-PB 2016/09 -4- [AP1400] 6. Revision History Date (Y/M/D) 2016/09/01 Revision 00 Page - Contents First Edition IMPORTANT NOTICE 0. Asahi Kasei Microdevices Corporation (“AKM”) reserves the right to make changes to the information contained in this document without notice. When you consider any use or application of AKM product stipulated in this document (“Product”), please make inquiries the sales office of AKM or authorized distributors as to current status of the Products. 1. All information included in this document are provided only to illustrate the operation and application examples of AKM Products. AKM neither makes warranties or representations with respect to the accuracy or completeness of the information contained in this document nor grants any license to any intellectual property rights or any other rights of AKM or any third party with respect to the information in this document. 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