LTC4160EPDC-1#TRPBF datasheet, PDF

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LTC4160EPDC-1#TRPBF: DescriptionIC SWITCH POWER MANAGER 20-UTQFN; Categorysemiconductor Power management; File Size812KB，5 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html; Environmental Compliance

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LTC4160EPDC-1#TRPBF Overview

IC SWITCH POWER MANAGER 20-UTQFN

LTC4160EPDC-1#TRPBF Parametric

Parameter Name	Attribute value
Function	Multifunctional controller
battery chemistry	Li-ion/polymer
Number of batteries	-
failsafe	overvoltage
interface	USB
Operating temperature	-40°C ~ 85°C（TA）
Package/casing	20-UFQFN Exposed Pad
Supplier device packaging	20-UTQFN-EP（3x4）

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DEMO CIRCUIT 1463A

QUICK START GUIDE

LTC4160EPDC / LTC4160EPDC-1

Switching Power Manager with USB

On-the-Go and Overvoltage Protection

DESCRIPTION

Demonstration Circuit DC1463A is a Switching Power Manager with USB On-the-Go and Overvoltage Protection

featuring the LTC

4160.

PERFORMANCE SUMMARY

Specifications are at T

= 25°C

SYMBOL PARAMETER

VBUS

Bus Input Voltage Range

V(LDO3V3) 3.3V LDO Output

V(BAT)

I(BAT)

VOUT

OTG

Battery Float Voltage

Battery Charge Current

Output Voltage

VBUS voltage in OTG mode

CONDITIONS

VOUT > 3.5V

LTC4160 Constant Voltage Mode

LTC4160-1 Constant Voltage Mode

Constant Current Mode, R

PROG

= 2.00k

ILIM[1..0] = 01b, I(VOUT) ≤ 1.25A, V(BAT) > 3.6V

I(VOUT) ≤ 1.25A, V(BAT) < 3.6V

I(VBUS) ≤ -500mA

MIN

4.35

3.1

4.15

4.05

485

V(BAT)

3.6V

4.5

TYP

MAX

UNITS

3.4

4.23

4.13

515

VBAT + 0.45V

5.5

QUICK START PROCEDURE

Refer to Figure 1 for the proper measurement

equipment setup and jumper settings and follow the

procedure below.

NOTE.

When measuring the input or output voltage ripple, care

must be taken to avoid a long ground lead on the oscilloscope

probe. Measure the input or output voltage ripple by touching the

probe tip directly across the VBUS or VOUT(x) and GND terminals.

See Figure 2 for proper scope probe technique.

1. Set all jumpers as shown in Figure 1 and LD1 =

0A, PS1 = 5V, LD2 = 0A, LD3 = 0A, PS2 = 3.6V.

Observe VOUT (VM4), LDO3V3 (VM3), and

V(NTC) (VM2). The LTC4160 is operating as

USB power manager. The current from PS1 will

try to be the charging current * (3.6V/5V), or ap-

proximately 400mA, but will be limited by the in-

put current limiter to ~ 100mA.

2. Increase LD3 to 80mA, and LD2 to 25mA. Ob-

serve VOUT(VM4), I(VUSB) (AM1) and LDO3V3

(VM3). Set LD2 to 0A. The loads on VOUT and

LDO3V3 are now reducing the charge current

further.

3. Increase LD3 to 250mA. Observe VOUT(VM4),

I(VUSB) (AM1). The load on VOUT will engage

the input current limit, and VOUT will drop until

the ideal diode engages to provide the difference

current.

LTC4160EPDC-1#TRPBF Related Products

	LTC4160EPDC-1#TRPBF	DC1463A-B	LTC4160EUDC#TRPBF	LTC4160EUDC-1#TRPBF	LTC4160EUDC#PBF	LTC4160EPDC#PBF	LTC4160EPDC-1#PBF	LTC4160EPDC#TRPBF	LTC4160EUDC-1#PBF
Description	IC SWITCH POWER MANAGER 20-UTQFN	board eval for ltc4160epdc	IC SWITCH POWER MANAGER 20-QFN	IC SWITCH POWER MANAGER 20-QFN	IC SWITCH POWER MANAGER 20-QFN	IC SWITCH POWER MANAGER 20-UTQFN	IC SWITCH POWER MANAGER 20-UTQFN	IC SWITCH POWER MANAGER 20-UTQFN	IC SWITCH POWER MANAGER 20-QFN

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