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AXP155
Highly integrated PMIC with 5 DC/DC Buck Converters and 10 LDOs
- Features
- Description
- Application
- Diagram
- Pin Configuration
- Technical Documents
- Samples & EVM
-
3.0V~5.5V Input Operating Range
-
25uA Off-Mode Current
-
5 Buck DC/DC Step Down Converters
- DCDC-A:PFM/PWM dual mode,0.6V~1.1V adjustable,10mV/step;1.12V~1.52V,20mV/step,output current 2.5A
- DCDC-B:PFM/PWM dual mode,scaling in 1.0-2.55V,50mV/step,output current 2.5A,DVM
- DCDC-C:PFM/PWM dual mode,0.6V~1.1V adjustable,10mV/step;1.12V~1.52V,20mV/step,output current 2.5A
- DCDC-D:PFM/PWM dual mode,0.6V~1.5V adjustable,20mV/step;1.6V~3.3V,100mV/step,output current 1.5A
- DCDC-E:PFM/PWM dual mode,scaling in 1.1V~3.4V,100mV/step,output current 1.5A
-
10 LDOs
- ALDO1:scaling in 0.7~3.3V, 100mV/step,output current 300mA
- ALDO2:scaling in 0.7~3.3V, 100mV/step,output current 300mA
- BLDO1:scaling in 0.7V~1.9V,100mV/step,output current 400mA
- BLDO2:scaling in 0.7V~1.9V,100mV/step,output current 300mA
- BLDO3:scaling in 0.7V~1.9V,100mV/step,output current 200mA
- BLDO4:scaling in 0.7V~1.9V,100mV/step,output current 200mA
- CLDO1:scaling in 0.7V~3.3V,100mV/step,output current 400mA
- CLDO2:0.7V~3.4V adjustable,100mV/step;3.6V~4.2V,200mV/step,output current 300mA
- CLDO3:scaling in 0.7V~3.3V,100mV/step;output current 200mA
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System Management
- Support TWSI(Two Wire Serial Interface),address is 0x6C/0x6D
or 0x6E/0x6F
- Support RSB(Reduced Serial Bus) interface,address is
0x03A2/0x04E6
- Internal Over-Temperature-Protection(OTP)
- Internal output voltage monitor for 5 DCDC converters
- Internal output PWROK signal
- Provides power-on and power-off key
- Internal on-off switch with the internal ideal resistence of 90 mΩ
- Programmable power on voltage and sequence
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56 pin,7x7mm2 QFN Package
AXP155 is a highly integrated power management IC targeting at 5V power source applications that requires multi-channel regulator outputs.It provides up to 7.5A current output through tri-phase Buck,and can comprise a battery powered total solution together with battery manage unit(BMU).
AXP155 integrates 5-ch step-down converters Buck converter, 10-ch LDOs. To ensure the security and stability of the power system,AXP155 provides protection circuit such as OVP,UVP,OTP and OCP.In addition,AXP155 embraces a fast interface for system to dynamically adjust output voltage.
AXP155 is available in 7mm x 7mm 56-pin QFN package

· STB
· OTT Box
· Tablet
· Mini PC

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