Datasheet > RT9535

RT9535

更新时间： 2024-02-05 19:08:29

品牌	Logo	应用领域
立锜 - RICHTEK		电池
页数	文件大小	规格书
18页	1417K
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技术参数
数据手册

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RT9535 技术参数

Status：	Active	Vin (min) (V)：	4.5
Vin (max) (V)：	28	Battery Charge Voltage (max) (V)：	22
Battery Charge Current (max) (A)：	2	Input Source：	AC Adapter;USB
Features：	Adjustable Current Limit;Adjustable Soft-Start;Enable Input;OCP;UVP	Package Type：	WQFN4x4-24

RT9535 数据手册

RT9535

Parameter

Reference

Symbol

Test Conditions

Min

Typ

Max

Unit

Reference Voltage

FB Bias current

V_FB

I_FB

2.488

2.5

2.512

0.1

V_FB= 2.5V

A



A

FBR to GND Resistance

FBR leakage Current

Charge Current

R_FBR

SD = 2V

SD = 0V

R4 = 10k, RS3 = RS2 = 402,

Measure the Voltage Drop Across

RS1

Full-Scale Charge Current

Sense Voltage

V_ICHG

100

105

ISET Output Current

I_ISET

V_ITM

−1

Termination current Set

Factor

1/5-Scale Charge Current when

STATUS from Low to High

SNSL Bias Current

SNSH Bias Current

Battery Voltage

I_SNSH

No Charge Current

−36

−12

−6

A

VHH Minimum Voltage with

Respect to BATT

V_HH

VIN Minimum Voltage with

Respect to BATT

V_DROP

I_VHH

I_BATT

I_VC

(Note 5)

0.3

0.4

150

−8

VHH Input Current

V_IN= 28V

A

V_EN= 0, V_BATT= V_SW= V_SNSH

V_SNSL= 20V

BATT Bias Current

−30

−25

−15

VC Pin Current

V_VC= 0V

−1

Input Current Limit

Input Current Limit Sense

Voltage

Measure the Voltage Drop Across

RS4

V_ILMT

100

105

ACN Input Current

ACP Input Current

I_ACN

I_ACP

V_ACP− V_ACN= 0.1V

A

Measure the Voltage (V_ACN

V_ACDRV

−

ACDRV ON Voltage

ACDRV OFF Voltage

V_ACON

5.4

)

Measure the Voltage (V_ACN

V_ACDRV), V_EN= 0V

V_ACOFF

0.1

ARDRV Pull-Down Current I_ACPD

V_ACN− V_ACDRV= 3.8V

A

ARDRV Pull-Up Current

Switch Characteristics

Switching Frequency

I_ACPU

V_ACN− V_ACDRV= 0.5V, V_EN= 0V

−10

−5

−2

f_OSC

R_ON

450

500

150

550

kHz

High-Side Switch

On-Resistance

High-Side Switch leakage

Current

m

I_HSD

V_HSD= 30V, V_EN= 0V

A

BOOT Leakage Current

Maximum Duty

I_BOOT

V_BOOT= 30V, V_EN= 0V (Note 5)

V_VC= 0V

A

SW Leakage Current

I_LKGL

V_SW= 28V, V_EN= 0V

A

is a registered trademark of Richtek Technology Corporation.

DS9535-04 February 2016

www.richtek.com

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