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FEATURES AND BENEFITS

? Symmetrical latch switch points

? Automotive-grade ruggedness and fault tolerance

□ Extended AEC-Q100 Grade 0 qualification

□ Reverse-battery and 40 V load dump protection

□ Operation from –40°C to 175°C junction temperature

□ High EMC immunity, ±12 kV HBM ESD

□ Undervoltage lockout

□ Overvoltage clamping protection

□ Resistant to physical stress

? Operation from unregulated supplies, 3.8 to 16 V

? Continuous-time operation

□ Fast power-on time

□ Low EMI emissions

□ Low latency

□ Regulator stability without a bypass capacitor

? Current mode output—voltage controlled

? Solid-state reliability

? Industry-standard packages and pinouts

DESCRIPTION

The APS12170 is a two-wire, planar Hall-effect sensor

integrated circuit (IC) operating under a continuous-time

sensing architecture. The devices are extremely fast responding

with lower levels of emissions (EMI) than a design using

chopper stabilization.

This Hall-effect latch IC features extended AEC-Q100

qualification and is ideal for high-temperature operation up to

175°C junction temperatures. In addition, the APS12170 includes

a number of features designed specifically to maximize system

robustness, such as reverse-battery protection, overvoltage,

and EMC protection.

A south pole and a north pole of sufficient strength are both

necessary to actuate the device. The devices include on-board

transient protection for all pins, permitting operation directly

from a vehicle battery or regulator with supply voltages from

3.8 to 16 V.

Two package styles provide a choice of through-hole or surface

mounting. Package type LH is a modified 3-pin SOT23W

surface-mount package, while UA is a three-pin ultramini SIP

for through-hole mounting. Both packages are lead (Pb) free

and RoHS compliant, with 100% matte-tin-plated leadframes.

APPLICATIONS

? Seat/window motors

? Sun roof/convertible top/liftgate/tailgate actuation

? Automotive and industrial safety systems