ADP2291ARMZ-R7 datasheet(17/20 Pages) AD

部件名	ADP2291ARMZ-R7

功能描述	Compact, 1.5 A Linear Charger for Single-Cell Li Battery

PDF	20 Pages

Scroll/Zoom	100%

制造商	AD [Analog Devices]

网页	http://www.analog.com

标志

17 / 20 page

ADP2291

Rev. 0 | Page 17 of 20

0.50

× VIAS, 0.250∅

µm PLATING

3.36

0.90

1.80

2.36

1.90

1.40

0.30

0.73

Figure 27. 3 mm × 3 mm LFCSP Pad Pattern

(Dimensions in mm)

Table 7. Variables Description

Variable

Name

Description

The voltage on Pin X

VRS

The regulation setpoint for the voltage across the

sense resistor (RS)

VBAT, EOC

The battery voltage at the point charging current is

1/10 the current setpoint

IMAX

The charge current corresponding to VRS,

including the effects of ADJ pin voltage

IMAX0

The charge current corresponding to the VRS

setpoint, ignoring ADJ effects (i.e. C0 = 150 mV/RS)

C rate

The charge current (mA) expressed as a multiple of

the nominal battery capacity (mAh). A 900 mAh

capacity battery charged at a 1/10 C rate, is

equivalent to a 90 mA charge current.

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