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IP5306 on a board, in 3D

IP5306

INJOINIC

0℃~+70℃ 1 100uA 2.1A 3V 4.2V 4.65V~5.5V Charging IC、Protection IC I2C Lithium Battery ESOP-8 Battery Management ROHS

Extended
DatasheetJLCPCBLCSCinjoinic/IP5306
Category
Battery Management
Package
ESOP-8
Pins
9

Overview

The IP5306 is a battery Management made by INJOINIC in a ESOP-8 package with 9 pins. 0℃~+70℃ 1 100uA 2.1A 3V 4.2V 4.65V~5.5V Charging IC、Protection IC I2C Lithium Battery ESOP-8 Battery Management ROHS.

PCBKit's library has its KiCad symbol (OLIMEX_Regulators:IP5306, from Olimex) and its footprint (OLIMEX_Regulators-FP:eSOP8L, from Olimex), ready for a KiCad board. 29,622 are in stock at JLCPCB (part C181692). 49 open-source boards in 43 repositories on GitHub use it.

Symbol

Can identify long and short pushCharge current 2.1ALoad Current 2.1ALx=1.0uHMax output current 2.1AVin=4.75-5.5VVout=5.10VVIN1LED12LED23LED34KEY5BAT_Sense6SW7VOUT8GND9
OLIMEX_Regulators:IP5306From Olimex

Footprint

12345678999999
OLIMEX_Regulators-FP:eSOP8LFrom Olimex

From the datasheet

16
Supply, least
4.75 V · VIN, recommended operating min · p. 4
Supply, most
5.5 V · VIN, recommended operating max · p. 4
Supply, least
3 V · VBAT, battery operation min · p. 5
Supply, most
4.4 V · VBAT, battery operation max · p. 5
Supply, absolute maximum
5.5 V · VIN, absolute max · p. 4
Works from
0 °C · TA, recommended operating ambient min · p. 4
Works up to
70 °C · TA, recommended operating ambient max · p. 4
Junction, hottest
150 °C · TJ, absolute max · p. 4
Takes working
2 mA · VIN, charging supply current typical, VIN=5V, fs=500KHz · p. 5
Takes working
3 mA · VBAT, boost operation typical, VBAT=3.7V, VOUT=5.1V, fs=5000KHz · p. 5
Takes asleep
100 µA · VIN, standby typical, VIN=5V, device not switching · p. 5
Takes asleep
50 µA · BAT, standby typical, VIN=0V, VBAT=3.7V · p. 6
Gives
2.1 A · Boost output current typical · p. 5
Output
5.1 V · VOUT, DC-DC output typical, VBAT=3.7V · p. 5
Switches at
500 kHz · Switching frequency typical · p. 5
Junction to air (eSOP8)
40 K/W · Junction to ambient thermal resistance · p. 4

What it is and has

11
Boost converter efficiency
up to 96% · p. 1
Switching charger efficiency
up to 97% · p. 1
Charger voltage accuracy
±0.5% · p. 1
Supported battery voltages
4.20/4.30/4.35/4.40V · p. 1
Key control
ON/OFF · p. 1
Flashlight controller
Integrated · p. 1
Protection
Thermal shutdown · p. 1
ESD
4KV · p. 1
SOC indicator
1, 2, 3 or 4 LEDs · p. 3
I2C
Supported · p. 3
Package
eSOP8 · p. 3

Specifications

39
ParameterConditionsAs printedPage
Port input voltage range VINmin -0.3 · max 5.5 V4
Operating free-air temperature range TAmin 0 · max 70 ℃4
Junction temperature TJmin -40 · max 150 ℃4
Storage temperature Tstgmin -60 · max 150 ℃4
Thermal resistance (from junction to ambient air) θJAeSOP8max 40 ℃/W4
Human-body model (HBM) ESDmax 4 KV4
Input voltage VINmin 4.75 · typ 5 · max 5.5 V4
Load current Imin 0 · typ 2.1 · max 2.6 A4
Operating ambient temperature TAmin 0 · max 70 ℃4
Input voltage VINCharger system; TA=25℃, L=1uHmin 4.75 · typ 5 · max 5.5 V5
Input current (charging) IVINTA=25℃, L=1uH; VIN=5V，fs=500KHztyp 2 mA5
Input current (standby) IVINTA=25℃, L=1uH; VIN=5V，Device not switchingtyp 100 uA5
Target charge voltage VTRGTTA=25℃, L=1uHtyp 4.2 V5
Charge current ICHRGTA=25℃, L=1uHtyp 2.1 A5
Trickle charge current ITRKLTA=25℃, L=1uH; VIN=5v，BAT=2.7vtyp 100 mA5
Trickle charge stop voltage VTRKLTA=25℃, L=1uHtyp 2.9 V5
Recharge threshold VRCHTA=25℃, L=1uHtyp 4.1 V5
Charger safety timer TENDTA=25℃, L=1uHtyp 24 Hour5
Input under-voltage protection VUVLOTA=25℃, L=1uH; Rising voltagetyp 4.5 V5
Input under-voltage protection hysteresis VUVLOTA=25℃, L=1uHtyp 200 mV5
Battery operation voltage VBATBoost system; TA=25℃, L=1uHmin 3 · max 4.4 V5
Battery operation current IBATTA=25℃, L=1uH; VBAT=3.7V，VOUT=5.1V，fs=5000KHztyp 3 mA5
Battery operation current IBATTA=25℃, L=1uH; VIN=5V，Device not switchingtyp 100 uA5
DC-DC output voltage VOUTTA=25℃, L=1uH; VBAT=3.7Vtyp 5.1 V5
Output voltage ripple ΔVOUTTA=25℃, L=1uH; VBAT=3.7V，VOUT=5.0V，fs=500KHzmin 50 · typ 100 · max 150 mV5
Boost output current IvoutTA=25℃, L=1uHtyp 2.1 A5
Load over-current detect timer TUVDTA=25℃, L=1uH; Output voltage continuously lower than 4.4Vtyp 30 ms5
Load short-circuit detect timer TOCDTA=25℃, L=1uH; Output current continuously larger than 3.5Amin 150 · max 200 us5
Switching frequencyTA=25℃, L=1uH; Switching frequencytyp 500 KHz5
PMOS on resistance rDSONTA=25℃, L=1uHtyp 35 mΩ5
NMOS on resistance rDSONTA=25℃, L=1uHtyp 30 mΩ5
Battery standby current ISTBTA=25℃, L=1uH; VIN=0V，VBAT=3.7Vtyp 50 uA6
LED lighting current IlightTA=25℃, L=1uHtyp 25 mA6
LED indicator current IL1, IL2, IL3TA=25℃, L=1uHtyp 4 mA6
Load removal detect timer TloadDTA=25℃, L=1uH; Load current continuously lower than 45mAtyp 32 s6
Push-button wake-up timer TOnDebounceTA=25℃, L=1uHtyp 50 ms6
Push-button light-on timer TKeylightTA=25℃, L=1uHtyp 2 s6
Thermal shutdown TOTPTA=25℃, L=1uH; Rising temperaturetyp 125 ℃6
Thermal shutdown hysteresis ΔTOTPTA=25℃, L=1uHtyp 40 ℃6

Pins, by the datasheet

9
1 VIN
Charger 5V input pin. · p. 2
2 LED1
Battery indicator pin1. · p. 2
3 LED2
Battery indicator pin2. · p. 2
4 LED3
Battery indicator pin3. · p. 2
5 KEY
ON/OFF key input, multiplexed torch lighting driver. · p. 2
6 BAT
Battery voltage sense pin. · p. 2
7 SW
DCDC switch node; connect inductor. · p. 2
8 VOUT
DCDC 5V output pin. · p. 2
PowerPAD PowerPAD
Connect to GND. · p. 2

Parameters

19
0V Battery Charge
Not supported
Battery Temperature Detection
Not supported
Charge Current - Max
2.1A
Charging Saturation Voltage
5.1V
Current - Supply
2mA
End-Off Voltage
3V
Features
Constant current charging
Frequency - Switching
500kHz
Interface
I2C
Junction Temperature(Max)
150℃
Number of Cells
1
Operating Temperature
0℃~+70℃
Standby Current
100uA
Supply Current (Iq)
100uA
The Chip Type
Charging IC
Thermal Resistance(Junction to Ambient)
40℃/W
Type of Battery
Lithium Battery
Voltage - Supply
3V~5.5V
Voltage - Supply(Absolute Max)
5.5V

Order codes

1

Pinout

9
The pins of the IP5306
PinNameType
1VINPower in
2LED1Input/output
3LED2Input/output
4LED3Input/output
5KEYInput
6BAT_SenseInput
7SWOutput
8VOUTPower out
9GNDPower in

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Questions

Is there a KiCad symbol and footprint for the IP5306?

Yes. The symbol is OLIMEX_Regulators:IP5306 and the footprint OLIMEX_Regulators-FP:eSOP8L, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the IP5306?

ESOP-8, with 9 pins. Its footprint is drawn on this page.

Where is the IP5306 datasheet?

INJOINIC publishes it: the Datasheet link on this page opens it.

Where can I order the IP5306?

JLCPCB lists it as part C181692, with 29,622 in stock; the sellers' links on this page open their listings.

What can replace the IP5306?

Parts like it in the library: the IP5306_4.35V by INJOINIC, the IP5306-I2C by INJOINIC and the IP5306-LC by INJOINIC. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the IP5306?

49 boards in 43 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

3