Datasheet

Device Comparison: TPIC1021 vs TPIC1021A
TPIC1021A-Q1
SLIS117A – AUGUST 2007 – REVISED JUNE 2009 .......................................................................................................................................................... www.ti.com
The TPIC1021A is pin-to-pin compatible to the TPIC1021 device. The TPIC1021A is an enhanced LIN
transceiver, including enhanced immunity to RF disturbances. Table 2 is a summary of the differences between
the two devices.
Table 2. TPIC1021A vs TPIC1021 Differences
SPECIFICATION TPIC1021A TPIC1021
LIN termination Weak current pullup in sleep mode High Ω in low-power mode
LIN receiver Enhanced high-speed receive capable High-speed receive capable
LIN leakage current
(unpowered device): < 5 µ A at 12 V (max) < 10 µ A at 12 V (typ)
7 V < LIN < 12 V, V
SUP
= GND
Remote wake-up via recessive-to-dominant
Remote wake-up via recessive-to-dominant
transition on LIN bus where dominant bus state
LIN bus wake-up transition on LIN bus where dominant bus state
is held for at least t
LINBUS
time followed by a
is held for at least t
LINBUS
time
transition back to the recessive state
Low-power current < 30 µ A at 12 V (max) < 50 µ A at 14 V (max)
Enhanced driving of bus master termination via
INH pin Driving of bus master termination
lower R
on
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Product Folder Link(s): TPIC1021A-Q1