MPF42791 datasheet(10/75 Pages) MPS

10 / 75 page

MPF42791 – 2 TO 16 BATTERY PACK FG W/ R DETECTION AND THERMAL MODEL

MPF42791 Rev. 1.0

MonolithicPower.com

9/19/2022

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

Figure 5 shows the MPF42791

’s performance for the CC/CV charge and dynamic discharge cycle at an

ambient temperature of 0°C. During charge, the root-mean-squared and maximum pack SOC error are

0.68% and 1.22%, respectively. During discharge, the root-mean-squared and pack SOC error are 1.15%

and 2.97%, respectively.

Figure 5: MPF42791 Performance for a CC/CV Charge and Dynamic Discharge (Ambient Temperature = 0°C)

Figure 6 shows the MPF42791

’s performance for the CC/CV charge and dynamic discharge cycle at

40°C ambient temperature. During charge, the root-mean-squared and maximum pack SOC error are

0.40% and 0.60%, respectively. During discharge, the root-mean-squared and pack SOC error are 0.77%

and 1.89%, respectively.

Figure 6: MPF42791 Performance for a CC/CV Charge and Dynamic Discharge (Ambient Temperature =

40°C)

Performance Summary

This section provides a summary of the MPF42791

’s real-world performance. Table 2Error! Reference

source not found. shows a summary of the pack SOC performance metrics for a 10S1P battery.

Table 2: MPF42791 SOC Root-Mean-Squared (and Maximum) Error

Test Case

0°C

25°C

40°C

CC/CV charge

0.68% (1.22%)

0.61% (1.03%)

0.40% (0.60%)

Dynamic discharge

1.15% (2.97%)

0.78% (1.94%)

0.77% (1.89%)

100

150

Time min

100

-10

-5

-3

SOC Error ound

MPF42791

Reference

Error

100

150

Time min

100

-10

-5

-3

SOC Error ound

MPF42791

Reference

Error

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