MAX6788TA Просмотр технического описания (PDF) - Maxim Integrated

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MAX6788TA

Low-Power, 1% Accurate, Dual-/Triple-/Quad-Level Battery Monitors in Small TDFN and TQFN Packages

Maxim Integrated 

Low-Power, 1% Accurate, Dual-/Triple-/Quad-Level

Battery Monitors in Small TDFN and TQFN Packages

IN_

REF

BATT

MAX6789

MAX6790

OV

LATCH

CONTROL

CLEAR

GND

Figure 3. MAX6789/MAX6790 Block Diagram

Low-Battery/Overvoltage Output

All devices are offered with either push-pull or open-

drain outputs (see the Selector Guide). The MAX6788

has one push-pull output and one open-drain output,

configured as shown in Table 1.

Table 1. MAX6788 Outputs

DEVICE

MAX6788

LBO1

Push-Pull

LBO2

Open Drain

All open-drain outputs require an external pullup resis-

tor. The open-drain pullup resistor may be connected

to an external voltage up to +6V, regardless of the volt-

age at BATT.

Hysteresis

Input hysteresis defines two thresholds, separated by

the hysteresis voltage, configured so the output asserts

when the input falls below the falling threshold, and

deasserts only when the input rises above the rising

threshold. Figures 4 and 5 show this graphically.

Hysteresis removes, or greatly reduces, the possibility

of the output changing state in response to noise or

battery-terminal voltage recovery after load removal.

10 ______________________________________________________________________________________

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