MFS2301BMBACEP datasheet(40/230 Pages) NXP

40 / 230 page

NXP Semiconductors

FS23

Safety system basis chip (SBC) with power management, CAN FD and LIN transceivers

Configurations

Main parameter

3.3 V, 450 kHz

5 V, 450 kHz

3.3 V, 2.2 MHz

5 V, 2.2 MHz

BUCK_PK_OC_PWM_OTP

111

110

700 mA

PFM peak current limit

BUCK_PK_OC_PFM_OTP

101

1221 ns

1772.5 ns

305 ns

386 ns

PFM ON time

BUCK_PFM_TON_OTP

1725 ns

1170 ns

250 ns

PFM OFF time

BUCK_PFM_TOFF_OTP

Yes

VBOS connected to V1 in Normal mode

VBOS2V1_SW_ALWAYS_EN_OTP

Yes

No effect

Yes

No effect

VBOS connected to V1 in LPON mode

VBOS2V1_SW_LP_EN_OTP

Table 16. Hardware and OTP configurations...continued

Figure 221and Figure 232 show the HVBUCK efficiency measures in PWM mode and in PFM mode,

respectively.

aaa-054678

Output current (A)

0.4

0.3

0.2

0.1

100

Efficiency

(%)

Vout = 3.3 V (450 kHz)

Vout = 5 V (450 kHz)

Vout = 3.3 V (2.2 MHz)

Vout = 5 V (2.2 MHz)

Figure 22. HVBUCK efficiency in force PWM mode

Efficiency in force PWM mode, Ta = 25 °C, Vin = 14 V

Efficiency in PFM mode, Ta = 25 °C, Vin 14 V

FS23

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 7.0 — 16 October 2024

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