Brief Description

SPF-F-48-70

15S / 48V / 70A LiFePO4 battery BMS with high power



 

1. With SMBus comm. function via USB too kit to PC, to gain battery information, helpful for engineering services. ( Tool Kit option)

2. Monitoring battery SoC & SoH, such as Amperes, capacity; temperature, protection status and cell balance, event records etc.  ( Option as #1)

3. Back electromotive force circuit design.

4. Cell balance design.


 Key Specifications

ITEM

Unit

Min

Typical

Max

Charge

CC/CV

Standard Charging Voltage

V

 

54.0

 

Max Charge Current  (default)

A

 

70

 

Discharge

Discharge Voltage

V

36.0

 

54.0

Max Continuous Discharge Current

A

 

70

 

Over-Charge Protection(OVP)

OVP Detect Voltage (cell)

V

 

3.65

 

OVP Release Voltage ( cell)

V

 

3.42

 

OVP Detect Delay Time

Sec

 

2

 

Over Charge Current Protect (OCCP) (default)

A

 

70

 

OCCP Detect Delay Time

S

 

2

 

Under Voltage Protection(UVP)

UVP Detect Volt ( cell)

V

 

2.40

 

UVP Detect Delay Time

Sec

 

2

 

UVP Release Voltage( cell)

V

 

2.80

 

UVP Current Consumption

uA

 

700

 

UVP Shut Down Voltage

V

 

2.35

 

UVP  Shut Down Current Consumption

uA

 

10

 

Discharge Protection

(Adjustable)

Max Continuous Discharge Current

A

 

70

 

Over Discharge Current Protection(ODCP)

A

71

 

200

ODCP Detect Delay Time (Adjustable)

S

 

15

 

Second ODCP( software) >

A

 

200

 

Second ODCP Detect Delay Time

mS

 

31

 

Short Circuit Protection(SCP)>=

A

 

480

 

Short Circuit Protection(SCP.) Delay Time

uS

 

550

 

Hiccup as detected average current remains S.C.

S

3

 

120

Release after Removing or by charging for

S

 

60

 

Cell Balance

Balance Start Volts@ Delta V.>20m V and

V

 

3.45

 

Balance Release@ Delta V<20m V or

V

 

3.45

 

Balance Capability

mA

 

 

170

Over Temperature Protection(OTP)

Charge OTP when Temperature out of

0

 

60

Charge OTP Release as temp. returns in

5

 

50

Dischg OTP when temperature out of

-20

 

70

Dischg OTP Release as temp. returns in

-20

 

60

Current Consumption

Working Current Consumption in average

uA

 

700

 

Shut Down Current @ Vcel=2.0 after UVP

uA

 

10

 

Temperature

Ambient Temp.

- 20

25

45

Storage Temp.

- 20

25

45

BTS

NTC 10k+/-1% Ohm b=3435K +/-2%

 

 

 

 

Dimension

160*160*35MAX ( double tilt)

mm