HMLQ25201T-R47MSR datasheet(50/52 Pages) RENESAS

50 / 52 page

DA9080

High Current, Highly Configurable System

PMIC with Four Bucks and One LDO

Datasheet

Revision 1.2

08-Feb-2022

CFR0011-120-00

50 of 51

16.1 Recommended External Components

Table 40: Recommended External Components

Value

Size

Supplier

Part Number

4.7 µF

1005 (0402 EIA)

TDK

C1005JB1A475K050BC

10 µF

1005 (0402 EIA)

AVX

0402ZD106MAT2A

22 µF

1608 (0603 EIA)

Murata

GRM188R61A226ME15D

47 µF

1608 (0603 EIA)

Murata

GRM188R60J476ME15D

470 nH

2520

Cyntec

HMLQ25201T-R47MSR

Ω

1005 (0402 EIA)

Yageo

RC0402FR-0710RL

16.2 Capacitor Derating

Ceramic capacitors are known to lose their capacitance rapidly depending on different factors. The

output capacitance of each buck is reduced by static tolerance, voltage, temperature, and aging, see

Table 41. These derating factors needs to take into consideration when the bucks are evaluated.

Table 41: Capacitor Derating Values

Block

Derating

Description

Lower Limit

Upper Limit

Buck 1

Static tolerance

+/-20 %

0.8

1.2

Voltage derating

-40 % for 2.1 V

-65 % for 3.3 V

0.35

0.6

Temperature derating

0 / -10 %

0.9

Aging

0/ -10 %

0.9

Total derating

0.2268

0.72

Buck2

Static Tolerance

+/-20 %

0.8

1.2

Voltage Derating

-25 % for 2.1 V

-50 % for 2.6 V

0.5

0.75

Temperature derating

0 / -10 %

0.9

Aging

0/ -10 %

0.9

Total derating

0.324

0.9

Buck3/4

Static Tolerance

+/-20 %

0.8

1.2

Voltage Derating

-10 % for 0.8 V

-23 % for 1.4 V

0.77

0.9

Temperature derating

0 / -10 %

0.9

Aging

0/ -10 %

0.9

Total derating

0.49896

1.08

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