UPS HAT (E) Register

Introduction

• It is easy to operate and use as the UPS HAT (E) can read module information through I2C communication. The module slave address: 0x2D.

Register Table

• ID Register

Register	R/W	BIT7	BIT6	BIT5	BIT4	BIT3	BIT2	BIT1	BIT0
0x00	R	Fixed value: 0x0a

• Automatically Rebooting Register

Register	R/W	BIT7	BIT6	BIT5	BIT4	BIT3	BIT2	BIT1	BIT0
0x01	R/W	Fixed value: 0x0b, write "0x55" to power off and enable the incoming power function

• Charging Register

Register	R/W	BIT7	BIT6	BIT5	BIT4	BIT3	BIT2	BIT1	BIT0
0x02	R	1: charging 0: non-charging	1: fast charging 0: no fast charging	1: VBUS is powered 0: VBUS is not powered	Fixed: 00		000: standby, 001: trickle charge, 010: constant current charge; 011: constant voltage charge; 100: Charging pending, 101: Full state, 110: Charge timeout

• Communication Register

Register	R/W	BIT7	BIT6	BIT5	BIT4	BIT3	BIT2	BIT1	BIT0
0x03	R	Fixed: 000000						1: BQ4050 communication is normal; 0: BQ4050 communications error	1: IP2368 communication is normal; 0: IP2368 communication error

• Type-C VBUS Voltage Register

Register	R/W	BIT7	BIT6	BIT5	BIT4	BIT3	BIT2	BIT1	BIT0
0x10	R	VBUS voltage data low 8bit(mV)
0x11	R	VBUS voltage data high 8bit(mV)

• Type-C VBUS Current Register

Register	R/W	BIT7	BIT6	BIT5	BIT4	BIT3	BIT2	BIT1	BIT0
0x12	R	VBUS current data low 8bit(mA)
0x13	R	VBUS current data high 8bit(mA)

• Type-C VBUS Power Register

Register	R/W	BIT7	BIT6	BIT5	BIT4	BIT3	BIT2	BIT1	BIT0
0x14	R	VBUS power data low 8bit(mW)
0x15	R	VBUS power data high 8bit(mW)

• Battery Voltage Register

Register	R/W	BIT7	BIT6	BIT5	BIT4	BIT3	BIT2	BIT1	BIT0
0x20	R	Battery total voltage data low 8bit(mV)
0x21	R	Battery total voltage data high 8bit(mV)

• Battery Current Register

Register	R/W	BIT7	BIT6	BIT5	BIT4	BIT3	BIT2	BIT1	BIT0
0x22	R	Battery current data low 8bit(mA)
0x23	R	Battery current data high 8bit(mA) Signed sixteen bits, positive indicates charging current, negative indicates output current

• Battery Percent Register

Register	R/W	BIT7	BIT6	BIT5	BIT4	BIT3	BIT2	BIT1	BIT0
0x24	R	Battery percent data low 8bit(%)
0x25	R	Battery percent data high 8bit(%)

• Battery Remaining Capacity Register

Register	R/W	BIT7	BIT6	BIT5	BIT4	BIT3	BIT2	BIT1	BIT0
0x26	R	the low 8bit(mAh) of battery remaining capacity data
0x27	R	the high 8bit(mAh) of battery remaining capacity data

• Battery Remaining Discharge Time Register

Register	R/W	BIT7	BIT6	BIT5	BIT4	BIT3	BIT2	BIT1	BIT0
0x28	R	the low 8bit(min) of the battery remaining discharge time data
0x29	R	the high 8bit(min) of the battery remaining discharge time data

• Battery Remaining Charging Time Register

Register	R/W	BIT7	BIT6	BIT5	BIT4	BIT3	BIT2	BIT1	BIT0
0x2a	R	The low 8bit(min) of the battery remaining charging time data
0x2b	R	The high 8bit(max) of the battery remaining charging time data

• Cell 1 Voltage Register

Register	R/W	BIT7	BIT6	BIT5	BIT4	BIT3	BIT2	BIT1	BIT0
0x30	R	The low 8bit(mV) of the cell 1 voltage data
0x31	R	The high 8bit(mV) of the cell 1 voltage data

• Cell 2 Voltage Register

Register	R/W	BIT7	BIT6	BIT5	BIT4	BIT3	BIT2	BIT1	BIT0
0x32	R	The low 8bit(mV) of the cell 2 voltage data
0x33	R	The high 8bit(mV) of the cell 2 voltage data

• Cell 3 Voltage Register

Register	R/W	BIT7	BIT6	BIT5	BIT4	BIT3	BIT2	BIT1	BIT0
0x34	R	The low 8bit(mV) of the cell 3 voltage data
0x35	R	The high 8bit(mV) of the cell 3 voltage data

• Cell 4 Voltage Register

Register	R/W	BIT7	BIT6	BIT5	BIT4	BIT3	BIT2	BIT1	BIT0
0x36	R	The low 8bit(mV) of the cell 4 voltage data
0x37	R	The high 8bit(mV) of the cell 4 voltage data

Register Table V2 (Addition)

• Control Register

Register	R/W	BIT7	BIT6	BIT5	BIT4	BIT3	BIT2	BIT1	BIT0
0x40	R/W	Reserved						1: Enable Watchdog 0: Disable Watchdog (default)	1: auto-restart upon power incoming (default) 0: Disable

• Device addrees Register

Register	R/W	BIT7	BIT6	BIT5	BIT4	BIT3	BIT2	BIT1	BIT0
0x41	R/W	I2c device address: 0x08 ~ 0x77; Default: 0x2d

• Watchdog timeout Register

Register	R/W	BIT7	BIT6	BIT5	BIT4	BIT3	BIT2	BIT1	BIT0
0x42	R/W	Timeout: 0 ~ 255; unit: s ; Default: 0xFF

• Watchdog delay start-up Register

Register	R/W	BIT7	BIT6	BIT5	BIT4	BIT3	BIT2	BIT1	BIT0
0x43	R/W	Dealy time: 0 ~ 255; unit: s ; Default: 0xFF

• SW Register

Register	R/W	BIT7	BIT6	BIT5	BIT4	BIT3	BIT2	BIT1	BIT0
0x50	R	Software revision. For examples: 0x14 = 20 (DEC) = V2.0