NXP Semiconductors
PF4210
14-channel power management integrated circuit (PMIC) for audio/video applications
Name
Bit number
R/W
—
Default Description
UNUSED
SW1COMODE
4
5
0x00
0x00
unused
R/W
Set status of SW1C when in sleep mode
• 0 = OFF
• 1 = PFM
UNUSED
7:6
—
0x00
unused
Table 50.ꢀRegister SW1CCONF – ADDR 0x32
Name
Bit number
R/W
Default Description
SW1CILIM
0
R/W
0x00
SW1C current limit level selection
• 0 = High-level current limit
• 1 = Low-level current limit
UNUSED
1
R/W
R/W
R/W
R/W
0x00
0x00
0x00
0x00
unused
SW1CFREQ
SW1CPHASE
SW1CDVSSPEED
3:2
5:4
7:6
SW1C switching frequency selector. See Table 36.
SW1C phase clock selection. See Table 34.
SW1C DVS speed selection. See Table 32.
10.4.4.3.5 SW1A/B/C external components
Table 51.ꢀSW1A/B/C external component recommendations
Components
Description
Mode
A/B single - C
A/B/C single
phase
A/B dual - C
independent mode
independent mode
[1]
CINSW1A
SW1A input capacitor
4.7 µF
0.1 µF
4.7 µF
4.7 µF
0.1 µF
[1]
CIN1AHF
SW1A decoupling input
capacitor
0.1 µF
[1]
CINSW1B
SW1B input capacitor
4.7 µF
0.1 µF
4.7 µF
0.1 µF
4.7 µF
0.1 µF
[1]
CIN1BHF
SW1B decoupling input
capacitor
[1]
CINSW1C
SW1C input capacitor
4.7 µF
0.1 µF
4.7 µF
0.1 µF
4.7 µF
0.1 µF
CIN1CHF
SW1C decoupling input
capacitor
[1]
COSW1AB
SW1A/B output capacitor
SW1C output capacitor
SW1A inductor
6 x 22 µF
—
2 x 22 µF
3 x 22 µF
1.0 µH
—
4 x 22 µF
3 x 22 µF
1.0 µH
[1]
COSW1C
LSW1A
LSW1B
LSW1C
1.0 µH
—
SW1B inductor
1.0 µH
SW1C inductor
—
1.0 µH
1.0 µH
[1] Use X5R or X7R capacitors.
PF4210
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© NXP B.V. 2018. All rights reserved.
Data sheet: technical data
Rev. 2.0 — 14 November 2018
45 / 137
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