PCA9517DP,118 datasheet, PDF - EEWORLD Datasheet

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PCA9517DP,118: DescriptionIC REDRIVER I2C 1CH 8TSSOP; CategoryAnalog mixed-signal IC Drivers and interfaces; File Size120KB，19 Pages; ManufacturerNXP; Websitehttps://www.nxp.com; Environmental Compliance

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PCA9517DP,118 Overview

IC REDRIVER I2C 1CH 8TSSOP

PCA9517DP,118 Parametric

Parameter Name	Attribute value
Brand Name	NXP Semiconductor
Is it Rohs certified?	conform to
Parts packaging code	TSSOP
package instruction	TSSOP, TSSOP8,.19
Contacts	8
Manufacturer packaging code	SOT505-1
Reach Compliance Code	compliant
Interface integrated circuit type	INTERFACE CIRCUIT
JESD-30 code	S-PDSO-G8
JESD-609 code	e4
length	3 mm
Humidity sensitivity level	1
Number of functions	1
Number of terminals	8
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Encapsulate equivalent code	TSSOP8,.19
Package shape	SQUARE
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	260
power supply	3/3.3 V
Certification status	Not Qualified
Maximum seat height	1.1 mm
Maximum supply voltage	5.5 V
Minimum supply voltage	2.7 V
Nominal supply voltage	3.3 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
width	3 mm
Base Number Matches	1

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PCA9517

Level translating I

C-bus repeater

Rev. 03 — 30 January 2007

Product data sheet

1. General description

The PCA9517 is a CMOS integrated circuit that provides level shifting between low

voltage (down to 0.9 V) and higher voltage (2.7 V to 5.5 V) I

C-bus or SMBus applications.

While retaining all the operating modes and features of the I

C-bus system during the

level shifts, it also permits extension of the I

C-bus by providing bidirectional buffering for

both the data (SDA) and the clock (SCL) lines, thus enabling two buses of 400 pF. Using

the PCA9517 enables the system designer to isolate two halves of a bus for both voltage

and capacitance. The SDA and SCL pins are over voltage tolerant and are

high-impedance when the PCA9517 is unpowered.

The 2.7 V to 5.5 V bus B-side drivers behave much like the drivers on the PCA9515A

device, while the adjustable voltage bus A-side drivers drive more current and eliminate

the static offset voltage. This results in a LOW on the B-side translating into a nearly 0 V

LOW on the A-side which accommodates smaller voltage swings of lower voltage logic.

The static offset design of the B-side PCA9517 I/O drivers prevent them from being

connected to another device that has rise time accelerator including the PCA9510,

PCA9511, PCA9512, PCA9513, PCA9514, PCA9515A, PCA9516A, PCA9517 (B-side),

or PCA9518. The A-side of two or more PCA9517s can be connected together, however,

to allow a star topography with the A-side on the common bus, and the A-side can be

connected directly to any other buffer with static or dynamic offset voltage. Multiple

PCA9517s can be connected in series, A-side to B-side, with no build-up in offset voltage

with only time of ﬂight delays to consider.

The PCA9517 drivers are not enabled unless V

CCA

is above 0.8 V and V

is above 2.5 V.

The EN pin can also be used to turn the drivers on and off under system control. Caution

should be observed to only change the state of the enable pin when the bus is idle.

The output pull-down on the B-side internal buffer LOW is set for approximately 0.5 V,

while the input threshold of the internal buffer is set about 70 mV lower (0.43 V). When the

B-side I/O is driven LOW internally, the LOW is not recognized as a LOW by the input.

This prevents a lock-up condition from occurring. The output pull-down on the A-side

drives a hard LOW and the input level is set at 0.3V

CCA

to accommodate the need for a

lower LOW level in systems where the low voltage side supply voltage is as low as 0.9 V.

2. Features

2 channel, bidirectional buffer isolates capacitance and allows 400 pF on either side of

the device

Voltage level translation from 0.9 V to 5.5 V and from 2.7 V to 5.5 V

Footprint and functional replacement for PCA9515/15A

C-bus and SMBus compatible

PCA9517DP,118 Related Products

	PCA9517DP,118	935276764118	935276765118
Description	IC REDRIVER I2C 1CH 8TSSOP	Interface Circuit	Interface Circuit
Reach Compliance Code	compliant	unknow	compli
Interface integrated circuit type	INTERFACE CIRCUIT	INTERFACE CIRCUIT	INTERFACE CIRCUIT
Is it Rohs certified?	conform to	-	conform to
Peak Reflow Temperature (Celsius)	260	-	NOT SPECIFIED
Maximum time at peak reflow temperature	30	-	NOT SPECIFIED
Maker	-	NXP	NXP

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