PCA8537 Datasheet, PDF (27/82 Pages) NXP Semiconductors – Automotive LCD driver for multiplex rates up to 1:8

NXP Semiconductors
PCA8537
Automotive LCD driver for multiplex rates up to 1:8
10
V_LCD
(V)
8
(3)
6
(2)
4
2
013aaa664
(1)
0
0
0.2
0.4
0.6
0.8
1
I_DD(LCD) (mA)
(1) VPR[7:0] = 42h.
(2) VPR[7:0] = 85h.
(3) VPR[7:0] = C6h.
T_amb = 30 C; V_DD1 = V_DD2 = 3.3 V.
Remark: For driving the charge pump safely the V_LCD and I_DD(LCD) values have to be kept below
the flat part of the respective graph.
Charge pump configuration: V_LCD = 3  V_DD2.
Fig 18. Charge pump driving capability with V_DD2 = 3.3 V
PCA8537
Product data sheet
10
V_LCD
(V)
8
(3)
6
4
2
013aaa662
(2)
(1)
0
0
0.5
1
1.5
2
2.5
3
3.5
I_DD(LCD) (mA)
(1) VPR[7:0] = 42h.
(2) VPR[7:0] = 85h.
(3) VPR[7:0] = C6h.
T_amb = 30 C; V_DD1 = V_DD2 = 5 V.
Remark: For driving the charge pump safely the V_LCD and I_DD(LCD) values have to be kept below
the flat part of the respective graph.
a. Charge pump configuration: V_LCD = 2  V_DD2
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 31 May 2012
© NXP B.V. 2012. All rights reserved.
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